1. to come or go into: the train entered the tunnel.
2. to penetrate; pierce: the bullet entered the victim's skull.
3. to introduce; insert: she entered the probe into the patient's artery.
4. to become a participant, member, or part of; join: too old to enter the army; entered the discussion at a crucial moment.
5. to gain admission to (a school, for example).
6. to cause to become a participant, member, or part of; enroll: entered the children in private school; entered dahlias in a flower show.
7. to embark on; begin: with sputnik, the soviet union entered the space age.
8. to make a beginning in; take up: entered medicine.
9. to write or put in: entered our names in the guest book; enters the data into the computer.
10. to place formally on record; submit: enter a plea of innocence; enter a complaint.
11. to go to or occupy in order to claim possession of (land).
12. to report (a ship or cargo) to customs.
13. to come or go in; make an entry: as the president entered, the band played "hail to the chief.”
14. to effect penetration.
15. to become a member or participant.
16. enter into to participate in; take an active role or interest in: enter into politics; enter into negotiations.
17. enter into to become party to (a contract): the nations entered into a trade agreement.
18. enter into to become a component of; form a part of: financial matters entered into the discussion.
19. enter into to consider; investigate: the report entered into the effect of high interest rates on the market.
20. on to set out on; begin: we enter on a new era in our history.
21. on to begin considering; take up: after discussing the budget deficit, they entered on the problem of raising taxes.
22. on to take possession of: she entered upon the estate of her uncle.

1. to go into (a room, etc.).
2. to type (something) into a computer; to input.
3. alternative spelling of enter (“the computer key”).
4. alternative spelling of enter (“a stroke of the computer key”).

1. to go or come in; -- often with in used pleonastically; also, to begin; to take the first steps.
2. to get admission; to introduce one's self; to penetrate; to form or constitute a part; to become a partaker or participant; to share; to engage; -- usually with into; sometimes with on or upon
3. to penetrate mentally; to consider attentively; -- with into.
4. to come or go into; to pass into the interior of; to pass within the outer cover or shell of; to penetrate; to pierce
5. to unite in; to join; to be admitted to; to become a member of.
6. to engage in; to become occupied with
7. to pass within the limits of; to attain; to begin; to commence upon.
8. to cause to go (into), or to be received (into); to put in; to insert; to cause to be admitted
9. to inscribe; to enroll; to record
10.
11. to go into or upon, as lands, and take actual possession of them.
12. to place in regular form before the court, usually in writing; to put upon record in proper from and order.
13. to make report of (a vessel or her cargo) at the customhouse; to submit a statement of (imported goods), with the original invoices, to the proper officer of the customs for estimating the duties. see entry, 4.
14. to file or inscribe upon the records of the land office the required particulars concerning (a quantity of public land) in order to entitle a person to a right pf preëmption.
15. to deposit for copyright the title or description of (a book, picture, map, etc.).”
16. to initiate; to introduce favorably.

1. to come or go into; pass into the inside or interior of; get into, or come within, in any manner: as, to enter a house, a harbor, or a country; a sudden thought entered his mind.
2. to penetrate into; pass through the outer portion or surface of; pierce: as, the post entered the soil to the depth of a foot.
3. to go inside of; pass through or beyond: as, I forbid you to enter my doors.
4. to begin upon; make a beginning of; take the first step in; initiate: as, the youth has entered his tenth year; to enter a new stage in a journey.
5. to engage or become involved in; enlist in; join; become a member of: as, to enter the legal profession, the military service or army, an association or society, a university, or a college.
6. to initiate into a business, service, society, or method; introduce.
7. to insert; put or set in: as, to enter a wedge; to enter a tenon in a mortise; to enter a fabric to be dyed into the dye-bath.
8. to set down in writing; make a record of; enroll; inscribe: as, the clerk entered the account or charge in the journal.
9. to cause to be inscribed or enrolled; offer for admission, reception, or competition: as, to enter one's son or one's self at college; to enter a friend's name at a club; to enter a horse for a race.
10. to report at the custom-house, as a vessel on arrival in port, by delivering a manifest: as, to enter a ship or her cargo.
11. in law: to go in or upon and take possession of, as lands. see entry.
12. to place in regular form before a court; place upon the records of a court: as, to enter a writ, an order, or an appearance.
13. to set on game; specifically, of young dogs, to set on game for the first time.
14. to make an entrance, entry, or ingress; pass to the interior; go or come from without inward: used absolutely or with in, into, on, or upon. see phrases below.
15. specifically to appear upon the stage; come into view: said of personages in a drama, or of actors: as, enter lady Macbeth, reading a letter.
16. to begin; make beginning.
17. to engage in: as, to enter into business.
18. to be or become initiated in; comprehend.
19. to deal with or treat fully of, as a subject, by way of discussion, argument, and the like; make inquiry or scrutiny into; examine.
20. to be an ingredient in; form a constituent part in: as, lead enters into the composition of pewter.
21. to begin to treat or deal with, as a subject, by way of discussion, argument, and the like.
22. see inter.
23. an obsolete form of entire.
24. A prefix immediately of french origin, but ultimately of latin origin, signifying ‘between’: same as inter-.

1. take on duties or office
2. register formally as a participant or member
3. put or introduce into something
4. to come or go into
5. make a record of; set down in permanent form
6. be or play a part of or in
7. become a participant; be involved in
8. come on stage
9. set out on (an enterprise or subject of study)