1. A mode or state of being: "the organization man survives as a modern classic because it captures a permanent part of our social condition” ( Robert J. Samuelson). see synonyms at state.
2. A state of health.
3. A state of readiness or physical fitness.
4. A disease or physical ailment: a heart condition.
5. social position; rank.
6. one that is indispensable to the appearance or occurrence of another; prerequisite: compatibility is a condition of a successful marriage.
7. one that restricts or modifies another; a qualification.
8. existing circumstances: conditions in the office made concentration impossible.
9. grammar the dependent clause of a conditional sentence; protasis.
10. logic A proposition on which another proposition depends; the antecedent of a conditional proposition.
11. law A provision making the effect of a legal instrument contingent on the occurrence of an uncertain future event.
12. law the event itself.
13. an unsatisfactory grade given to a student, serving notice that deficiencies can be made up by the completion of additional work.
14. obsolete disposition; temperament.
15. to make dependent on a condition or conditions.
16. to stipulate as a condition.
17. to render fit for work or use.
18. to accustom (oneself or another) to; adapt: had to condition herself to long hours of hard work; conditioned the troops to marches at high altitudes.
19. to air-condition.
20. to give the unsatisfactory grade of condition to.
21. psychology to cause an organism to respond in a specific manner to a conditioned stimulus in the absence of an unconditioned stimulus.
22. to replace moisture or oils in (hair, for example) by use of a therapeutic product.

1. A logical clause or phrase that a conditional statement uses. the phrase can either be true or false.
2. A requirement, term, or requisite.
3. the health status of a medical patient.
4. the state or quality.
5. A particular state of being.
6. the situation of a person or persons, particularly their social and/or economic class, rank.
7. to subject to the process of acclimation.
8. to subject to different conditions, especially as an exercise.
9. to place conditions or limitations upon.
10. to shape the behaviour of someone to do something.
11. to treat (the hair) with hair conditioner.
12. to contract; to stipulate; to agree.
13. to test or assay, as silk (to ascertain the proportion of moisture it contains).
14. to put under conditions; to require to pass a new examination or to make up a specified study, as a condition of remaining in one's class or in college.

1. mode or state of being; state or situation with regard to external circumstances or influences, or to physical or mental integrity, health, strength, etc.; predicament; rank; position, estate.
2. essential quality; property; attribute.
3. temperament; disposition; character.
4. that which must exist as the occasion or concomitant of something else; that which is requisite in order that something else should take effect; an essential qualification; stipulation; terms specified.
5. A clause in a contract, or agreement, which has for its object to suspend, to defeat, or in some way to modify, the principal obligation; or, in case of a will, to suspend, revoke, or modify a devise or bequest. it is also the case of a future uncertain event, which may or may not happen, and on the occurrence or non-occurrence of which, the accomplishment, recission, or modification of an obligation or testamentary disposition is made to depend.
6. to make terms; to stipulate.
7. to impose upon an object those relations or conditions without which knowledge and thought are alleged to be impossible.
8. to invest with, or limit by, conditions; to burden or qualify by a condition; to impose or be imposed as the condition of.
9. to contract; to stipulate; to agree.
10. to put under conditions; to require to pass a new examination or to make up a specified study, as a condition of remaining in one's class or in college.
11. to test or assay, as silk (to ascertain the proportion of moisture it contains).

1. to form a condition or prerequisite of; determine or govern.
2. to subject to something as a condition; make dependent or conditional on: with on or upon: as, he conditioned his forgiveness upon repentance.
3. in metaphysics, to place or cognize under conditions.
4. to stipulate; contract; arrange.
5. in mercantile language, to test (a commodity) in order to ascertain its condition; specifically, to test (silk) in order to know the proportion of moisture it contains.
6. to require (a student) to be reëxamined, after failure to show the attainment of a required degree of scholarship, as a condition of remaining in the class or college, or of receiving a degree. see condition, n., 9.
7. in the tobacco trade, to spray with a 2-per-cent. solution of glycerin. this operation is performed only on chewing, plug, and cigarette tobaccos.
8. the particular mode of being of a person or thing; situation, with reference either to internal or to external circumstances; existing state or case; plight; circumstances.
9. quality; property; attribute; characteristic.
10. A state or characteristic of the mind; a habit; collectively, ways; disposition; temper.
11. rank; state, with respect to the orders or grades of society or to property: used absolutely in the sense of high rank: as, a person of condition.
12. A requisite; something the non-concurrence or non-fulfilment of which would prevent a result from taking place; a prerequisite.
13. hence A restricting or limiting circumstance; a restriction or limitation.
14. A stipulation; a statement of terms; an agreement or consideratíon demanded or offered in return for something to be granted or done, as in a bargain, treaty, or other engagement.
15. in law: A statement that a thing is or shall be, which constitutes the essential basis or an essential part of the basis of a contract or grant; a future and uncertain act or event not belonging to the very nature of the transaction, on the performance or happening of which the legal consequences of the transaction are made to depend.
16. in civil law, a restriction incorporated with an act, the consequence of which is to make the effect of the volition or intention dependent wholly or in part upon an external circumstance.
17. in a college or school: the requirement, made of a student upon failure to reach a certain standard of scholarship, as in an examination, that a new examination be passed before he can be advanced in a given course or study, or can receive a degree: as, a condition in mathematics.
18. the study to which such requirement is attached: as, he has six conditions to make up.
19. in grammar, the protasis or conditional clause of a conditional sentence. see conditional sentence, under conditional.
20. in the theory of errors, an equation expressing an observation with the conditions under which it was taken.
21. article, terms, provision, arrangement.

1. (usually plural) a statement of what is required as part of an agreement
2. an assumption on which rests the validity or effect of something else
3. put into a better state
4. the state of (good) health (especially in the phrases `in condition' or `in shape' or `out of condition' or `out of shape')
5. specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
6. the procedure that is varied in order to estimate a variable's effect by comparison with a control condition
7. information that should be kept in mind when making a decision
8. an illness, disease, or other medical problem
9. apply conditioner to in order to make smooth and shiny
10. develop (children's) behavior by instruction and practice; especially to teach self-control
11. a mode of being or form of existence of a person or thing
12. establish a conditioned response
13. a state at a particular time