Dictionary.com
Thesaurus.com
Synonyms

commence

American  
[kuh-mens] / kəˈmɛns /

verb (used with or without object)

commenced, commencing
  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

Related Words

See begin.

Other Word Forms

  • commenceable adjective
  • commencer noun
  • recommence verb

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”; 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.

Keep Reading on Vocabulary.com

Vocabulary lists containing commence

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 business will now commence trading in administration managed by FRP Advisory as they seek to continue discussions with interested parties regarding a sale of some or all of the business and its brands."

From BBC • Mar. 31, 2026

Now, writers are poised to commence another round of bargaining with the major studios on a new three-year film and TV contract.

From Los Angeles Times • Mar. 14, 2026

Allowing Summers to commence a dignified retirement while continuing to hold honorifics risks signaling that there are ultimately few consequences at the very top in higher education.

From Salon • Feb. 28, 2026

The new Singapore facility’s wafer output is scheduled to commence in the second half of 2028, with flexible capacity management.

From Barron's • Jan. 27, 2026

Everyone was in high spirits and ready to commence the ceremony that was to last until noon.

From "A Long Way Gone: Memoirs of a Boy Soldier" by Ishmael Beah