[n] the act of starting something; "he was responsible for the beginning of negotiations"
[n] the first part or section of something; "`It was a dark and stormy night' is a hackneyed beginning for a story"
[n] the event consisting of the start of something; "the beginning of the war"
[n] the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root"
[n] the time at which something begins; "They got an early start"
commencement, commencement, first, kickoff, offset, origin, outset, root, rootage, source, start, start, starting time