legitimize

verb

le·​git·​i·​mize li-ˈji-tə-ˌmīz 

legitimized; legitimizing

transitive verb

: to make legitimate : legitimate

legitimization

li-ˌji-tə-mə-ˈzā-shən 

noun

legitimizer

li-ˈji-tə-ˌmī-zər 

noun

Examples of legitimize in a Sentence

Recent Examples on the Web

Between these firsthand testimonies from veterans, his own medical miracle, and the spiritual experience, Perry became convinced that helping legitimize ibogaine should be his life’s mission. — Michelle Lhooq, New Yorker, 7 Aug. 2026

Both Vanderpump Rules and Keeping Up With the Kardashians helped legitimize reality TV as a way to promote businesses and one’s public platform. — Savannah Walsh, Vanity Fair, 3 Aug. 2026

According to the magazine, Sun’s involvement as a high-profile billionaire helped legitimize the project and drew in additional investors, turning it into a fundraising success—until things turned sour. — Camila Grigera Naón, Fortune, 27 July 2026

Elsewhere, Rhaenyra clashes with Lord Corlys, refusing to legitimize his sons Addam and Alyn with her hold on power so tenuous. — Erik Kain, Forbes.com, 26 July 2026

Word History

First Known Use

1646, in the meaning defined above

Rhymes for legitimize

• actualize
• antagonize
• apologise
• apologize
• capitalize
• categorize
• characterize
• commercialize
• conceptualize
• contrariwise
• criminalize
• decentralize

Kids Definition

legitimize

verb

le·​git·​i·​mize li-ˈjit-ə-ˌmīz 

legitimized; legitimizing

: legitimate entry 2

Legal Definition

legitimize

transitive verb

le·​git·​i·​mize lə-ˈji-tə-ˌmīz 

legitimized; legitimizing

: legalize, legitimate