Definition: to begin or start
Part of Speech: Verb
Synonym(s): embark on, begin
Antonym(s): conclude, end
1. The program will commence at 5:00 p.m. and end no later than 7:30 p.m.
2. When it’s time for the play to commence, ushers will close the theater doors.
3. Your hosting duties should commence as soon as the first guest arrives at the party.