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commence

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verb [intransitive/transitive] formal American English pronunciation: commence /kəˈmens/ 
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present tense
I/you/we/theycommence
he/she/itcommences
present participlecommencing
past tensecommenced
past participlecommenced
  1. to begin, or to begin something

    The lawyers are preparing for the trial, which commences in 30 days.

    In 1993 the company commenced drilling on the property.

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