The 2012 GOP convention has commenced, even if only for a few minutes before ending for the day.
There she met and commenced an affair with President Roosevelt's personal envoy, Averell Harriman.
But demographic change is like the tide in another way: once it's commenced a-rising, there's no way to turn it back.
c.1300, from Old French comencier "to begin, start" (10c., Modern French commencer), from Vulgar Latin *cominitiare, originally "to initiate as priest, consecrate," from Latin com- "together" (see com-) + initiare "to initiate," from initium (see initial (adj.)). Spelling with double -m- began in French and was established in English by 1500. Related: Commenced; commencing.