"Enter" is a word in LAW AND LEGAL, ENGLISH

In tbe law of real property

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 preemption.

To penetrate mentally; to consider attentively; -- with
into.

To cause to go (into), or to be received (into); to put
in; to insert; to cause to be admitted; as, to enter a knife into a
piece of wood, a wedge into a log; to enter a boy at college, a horse
for a race, etc.

To engage in; to become occupied with; as, to enter the
legal profession, the book trade, etc.

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.

To unite in; to join; to be admitted to; to become a
member of; as, to enter an association, a college, an army.

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; as,
a ball enters into the body; water enters into a ship; he enters into
the plan; to enter into a quarrel; a merchant enters into partnership
with some one; to enter upon another's land; the boy enters on his
tenth year; to enter upon a task; lead enters into the composition of
pewter.

To pass within the limits of; to attain; to begin; to
commence upon; as, to enter one's teens, a new era, a new dispensation.

To initiate; to introduce favorably.

To inscribe; to enroll; to record; as, to enter a name,
or a date, in a book, or a book in a catalogue; to enter the
particulars of a sale in an account, a manifest of a ship or of
merchandise at the customhouse.

To place in regular form before the court, usually in
writing; to put upon record in proper from and order; as, to enter a
writ, appearance, rule, or judgment.

To go into or upon, as lands, and take actual possession
of them.

To go or come in; -- often with in used pleonastically;
also, to begin; to take the first steps.

To come or go into; to pass into the interior of; to pass
within the outer cover or shell of; to penetrate; to pierce; as, to
enter a house, a closet, a country, a door, etc.; the river enters the
sea.

A prefix signifying between, among, part.

To deposit for copyright the title or description of (a
book, picture, map, etc.); as, \"entered according to act of Congress.\"