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commence

American  
[kuh-mens] / kəˈmɛns /

verb (used with or without object)

commences, present (3rd person singular) commenced, past participle, past commencing present participle
  1. to begin; start.

    Synonyms:
    originate, initiate, inaugurate

commence British  
/ kəˈmɛns /

verb

  1. to start or begin; come or cause to come into being, operation, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See begin.

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of commence

First recorded in 1250–1300; Middle English commencen, from Anglo-French, Middle French comencer, from unrecorded Vulgar Latin cominitiāre, equivalent to Latin com- com- + initiāre “to begin”; see initiate

Explanation

Commence is a fancy way of saying "begin." Your invitation to a formal wedding might note, "The ceremony will commence at noon." If a congressman wants to start a meeting to vote on an important bill, he might say, "This meeting will begin immediately." Or, he could make the same statement in a more formal way by saying, "This meeting will commence immediately." Interestingly enough, while the word commence means to start, a commencement ceremony marks the end of a college career.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The nonprofit said at the time that it would continue operating the East Potomac course “until the National Park Service is ready to commence a historic restoration there.”

From The Wall Street Journal • Jun. 28, 2026

In a written submission, he said not disclosing the names at this stage was a "time-limited decision" until "proceedings commence substantively" in the UK.

From BBC • Jun. 23, 2026

If all goes well, orders are likely to commence next year.

From Barron's • Jun. 4, 2026

Complications commence when a space research vessel smashes into Prodigy Corp.-controlled Bangkok.

From Los Angeles Times • Jun. 2, 2026

The nineteenth-century prescriptivist Richard White had no luck banning standpoint and washtub, nor did his contemporary William Cullen Bryant succeed in outlawing commence, compete, lengthy, and leniency.

From "The Sense of Style" by Steven Pinker

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