(v): become a participant; be involved in
(v): register formally as a participant or member
(v): record in writing; enter into a book of names or events or transactions
(v): be or play a part of or in
(v): have the quality of being; (copula, used with an adjective or a predicate noun)
(v): make a record of; set down in permanent form
(v): to keep up and reserve for personal or special use
(v): come on stage
(v): take on duties or office
(v): be the successor (of)
(v): assume an office, duty, or title
(v): put or introduce into something
(v): cause to be attached
(v): set out on (an enterprise or subject of study)
(v): take the first step or steps in carrying out an action
we walked in the door.
I entered my name.