The definition of commencement means the act or celebration of beginning.
(Uncountable) The first gear of an engine.
A beginning, as of a campaign or drive
the time at which something is supposed to begin
Find another word for showtime. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for showtime, like: outset, beginning, commencement, first, get-go, start, kickoff, starting time, offset, primetime and smash hit.