English Reference

Word

legitimize

Phoneticsle·git·imize

/ɫəˈdʒɪtəˌmaɪz/

UK spelling · legitimise

Definition

v. to make something seem legal, acceptable, or true. You use this when you want to show that a new idea or action is not wrong.

v. to make something legal, acceptable, or valid. Often involves providing a justification or a formal endorsement to remove the stigma of a previously questionable practice.

Examples

“The new law will help legitimize the use of renewable energy.”

“By publishing their findings in a peer-reviewed journal, the researchers hoped to legitimize their controversial theory.”

“The government's decision to regulate the cryptocurrency market was seen as an attempt to legitimize the asset class and attract institutional investors.”

Examples

simple

“The new law will help legitimize the use of renewable energy.”

contextual

“By publishing their findings in a peer-reviewed journal, the researchers hoped to legitimize their controversial theory.”

complex

“The government's decision to regulate the cryptocurrency market was seen as an attempt to legitimize the asset class and attract institutional investors.”

Real-World Examples

“The relationship between NASA and “Star Trek” benefited the show by legitimizing the series.”
The Conversation · 8 Sept 2026
“What it didn’t mention is that Chicken Shop Date helped to legitimise YouTube as a platform that has taken on – and perhaps beaten – television.”
The Guardian · 3 Sept 2026

Etymology

From legitimate + -ize.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference