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Definition of legitimatize
legitimatize
/lɪˈdʒɪtɪmətaɪz/
(UK: legitimatise)
le · git · i · ma · tize
Adverb:legitimately
•Adjective:legitimate
•Past Simple:legitimatized
•Past Participle:legitimatized
•Present Participle:legitimatizing
legitimatize Lexical Profile
CEFR
C1
Grade
12
Tier
2
Usage
Rare
Syllables
5
legitimatize Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To make lawful, valid, or acceptable; to justify or give official sanction to.
Example
"The new treaty helped legitimatize the transitional council in the eyes of the international community."
2
To declare or grant legal status to a child born out of wedlock.
Example
"Under the revised family code, the parents were able to legitimatize their children through a simple civil registration."
Synonyms
View all synonyms for legitimatize Antonyms
View all antonyms for legitimatizeWord Nuance & Usage
While 'legitimatize' is a recognized dictionary form, modern English writers and editors strongly prefer the shorter variants 'legitimize' or 'legitimate' as a verb.
• Nearby Words
Word Origin & Etymology
Formed in the early 19th century from the adjective 'legitimate' (derived from Medieval Latin 'legitimatus', meaning 'made legal') plus the verbal suffix '-ize'.
Cite this Entry
Wordmom. (2026). Definition of Legitimatize. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/legitimatize