exercise the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit"
commencement -
the act of starting something; "he was responsible for the beginning of negotiations"
finishing,
finish the act of finishing; "his best finish in a major tournament was third"; "the speaker's finishing was greeted with applause"
change of state the act of changing something into something different in essential characteristics
jumping-off point,
point of departure,
springboard a beginning from which an enterprise is launched; "he uses other people's ideas as a springboard for his own"; "reality provides the jumping-off point for his illusions"; "the point of departure of international comparison cannot be an institution but must be the function it carries out"
activation making active and effective (as a bomb)
constitution,
establishment,
formation,
organisation,
organization the act of forming or establishing something; "the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club"
icebreaker a beginning that relaxes a tense or formal atmosphere; "he told jokes as an icebreaker"
inauguration,
startup the act of starting a new operation or practice; "he opposed the inauguration of fluoridation"; "the startup of the new factory was delayed by strikes"
jump ball (basketball) the way play begins or resumes when possession is disputed; an official tosses the ball up between two players who jump in an effort to tap it to a teammate
kickoff (football) a kick from the center of the field to start a football game or to resume it after a score
scrum,
scrummage (rugby) the method of beginning play in which the forwards of each team crouch side by side with locked arms; play starts when the ball is thrown in between them and the two sides compete for possession
commencement -
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"
middle the middle area of the human torso (usually in front); "young American women believe that a bare midriff is fashionable"
ending,
end the end of a word (a suffix or inflectional ending or final morpheme); "I don't like words that have -ism as an ending"
point in time,
point sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil"
birth the event of being born; "they celebrated the birth of their first child"
incipience,
incipiency beginning to exist or to be apparent; "he placed the incipience of democratic faith at around 1850"; "it is designed to arrest monopolies in their incipiency"