beginning

Synonyms: alpha basis birth blastoff commencement creation dawn dawning day one genesis inauguration inception induction infancy initiation installation introduction kickoff onset opener opening origin origination outset point of departure preface prelude presentation rise root rudiment source spring square one starting point takeoff threshold top

Antonyms: completion conclusion consummation end ending finish goal termination

Synonyms: antecedent birth conception egg embryo font fount fountain fountainhead generation genesis germ heart principle resource root seed stem well

Antonyms: conclusion outcome result