verb
1.
to come or go into some place or thing
he entered the room
Synonyms: come (in), go in, ingress, penetrate
Related Word: pierce, probe
Idioms: set foot in
Contrasted words: egress, exit, go out, leave; come out, emerge, sally; escape, flee
Antonyms: issue
2.
to cause or permit to go in or into
enter synonyms in a thesaurus
Synonyms: admit, introduce
Related Word: inject, insert, intercalate, interpolate, put (in), set down; docket, inscribe, list, post, record, register; enroll
3.
to make or become a member of
decided to enter the army
Synonyms: enlist, enroll, join (up), muster, sign on, sign up
Related Word: come (into), go (into)
Idioms: get oneself into, take up ( or out) membership (in)
4.
Synonyms: begin 1, commence, embark (on or upon), inaugurate, lead off, open, set to, start, take up, tee off