KICKOFF
kickoff
(noun) (football) a kick from the center of the field to start a football game or to resume it after a score
kickoff, send-off, start-off
(noun) a start given to contestants; “I was there with my parents at the kickoff”
beginning, commencement, first, outset, get-go, start, kickoff, starting time, showtime, offset
(noun) the time at which something is supposed to begin; “they got an early start”; “she knew from the get-go that he was the man for her”
Source: WordNet® 3.1
Noun
kickoff (plural kickoffs)
Alternative spelling of kick-off
Source: Wiktionary