- The definition of commencing refers to something that is beginning or starting.
When graduation is beginning right this minute, this is an example of a situation where graduation is commencing.
Variant of commence
transitive verbcommenced, commencing
to begin; start; originate
Origin of commenceMiddle English commencen ; from Old French comencier ; from Vulgar Latin an unverified form cominitiare, origin, originally , to initiate as priest, consecrate ; from Classical Latin com-, together + initiare, to initiate