Starting to work on a new project is an example of to commence.
transitive verb-·menced′, -·menc′ing
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 cominitiāre Latin com- intensive pref. ; see com- . Late Latin initiāre 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)