Simple past tense and past participle of commence.(verb)
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Use "commenced" in a sentence
"'If he _has not fulfilled_ his promise to write,' but 'If he _did not write_ as he undertook to do' ([Greek: _egrapsen huposchomenos_]); nor 'If he _has commenced and finished_,' but 'If he _commenced and finished_' ([Greek: _arxamenos sunetelese_])."
"Thus Aristotle avoided the idea that God was inactive and self-contemplative for an eternity, and then for some unknown reason, or by some unknown motive, commenced to act outwardly and produce; but he incurred the opposite hazard, of making the result of His action, matter and the Universe, be co-existent with Himself; or, in other words, of denying that there was any time when His outward action _commenced_."
"Eight weeks had not yet passed since the term commenced, and yet this was the last day but one."