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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

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.

I started my own company, Commence, about that — about empowering women, to say: You’ve done the kids, you’ve had the career, what do you want now?

From Los Angeles Times • May 18, 2026

Commence a whirlwind: black-tie wedding in Chicago on Saturday, flight and initial team meeting in Las Vegas on Tuesday, first practice on Wednesday.

From Seattle Times • Aug. 3, 2023

Commence the evening’s festivities at the outdoor fire-bowls that dot the grounds outside the restaurant and sister jade bar with a toast.

From Fox News • Feb. 13, 2022

In the Bourse de la Commence, a finely tailored business-like jacket filed by above a gray skirt with a flounce cut on the bias.

From Seattle Times • Oct. 1, 2021

“Attention all compound residents. Commence emergency lockdown procedure, effective until five o’clock a.m. I repeat, commence emergency lockdown procedure, effective until five o’clock a.m.”

From "Allegiant" by Veronica Roth

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