Starting to work on a new project is an example of to commence.
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
verbcom·menced, com·menc·ing, com·menc·es
Origin of commenceMiddle English commencen, from Old French comencier, from Vulgar Latin *cominitiare : Latin com-, intensive pref.; see com– + Late Latin initiare, to begin (from Latin initium, beginning; see ei- in Indo-European roots).
(third-person singular simple present commences, present participle commencing, simple past and past participle commenced)