promoter

noun

pro·​mot·​er prə-ˈmō-tər 

1

: one that promotes

especially : one who assumes the financial responsibilities of a sporting event (such as a boxing match) including contracting with the principals, renting the site, and collecting gate receipts

2

obsolete : prosecutor

3

: a substance that in very small amounts is able to increase the activity of a catalyst

4

: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes

Synonyms of promoter

• proponent
• supporter
• advocate
• advocator
• exponent

Examples of promoter in a Sentence

a promoter of greater understanding and cooperation among churches

Recent Examples on the Web

The total beats the 2025 attendance of 165,000, Mike Testa, president of Visit Sacramento, said in an email after consulting promoter Danny Wimmer Presents. — Don Sweeney, Sacbee.com, 5 Oct. 2026

The attendance record, which was broken on the second of Bryan’s two performances at the venue, was announced by tour promoter AEG on Sunday morning, and in a post on the stadium’s social media accounts. — Chris Willman, Variety, 4 Oct. 2026

At the time, the tour promoter stated that upcoming venues hosting shows, including Gillette Stadium, threatened to pull out if Macklemore remained on the lineup. — Carly Thomas, HollywoodReporter, 4 Oct. 2026

Fears about a future AI apocalypse distract us from its present-day harms — just as its promoters hope. — Business Columnist, Los Angeles Times, 30 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing promoter

• co-promoter

Rhymes for promoter

• premotor
• promotor
• remoter
• boater
• coater
• floater
• motor
• rotor
• voter
• locomotor
• psychomotor
• servomotor

Kids Definition

promoter

noun

pro·​mot·​er prə-ˈmōt-ər 

: a person who promotes

especially : one who finances a sporting event

a promoter of prizefights

Medical Definition

promoter

noun

pro·​mot·​er -ˈmōt-ər 

1

: a substance that in very small amounts is able to increase the activity of a catalyst

2

: a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes

3

: a chemical believed to promote carcinogenicity or mutagenicity

Legal Definition

promoter

noun

pro·​mot·​er

: one who alone or with others actively participates in the formation of a business or venture

promoters owe a fiduciary duty to the corporation they are promoting

—R. C. Clark