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

• 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

In a miraculous turn of events, one of Whitefield’s closest friends and greatest promoters becomes none other than Benjamin Franklin. —Anthony D'alessandro, Deadline, 30 Sep. 2025

The figure was announced Sunday afternoon by show promoter AEG Presents. —Brian McCollum, Freep.com, 28 Sep. 2025

The clearest example of this is Live Nation, the largest concert promoter on the planet, which is betting biggest on Latin America. —Alex Ashley, Rolling Stone, 25 Sep. 2025

Ever the expansionist, Denver promoter AEG Presents Rocky Mountains has begun booking concerts under Interstate 70 at an ad-hoc venue called Project 70. —John Wenzel, Denver Post, 25 Sep. 2025

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
• floater
• motor
• rotor
• voter
• locomotor
• psychomotor
• servomotor
• vasomotor

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