IPA: /lɪˈdʒɪtɪmaɪzər/
KK: /lɪˈdʒɪtɪmaɪzər/
A person or thing that makes something legitimate or acceptable, often by providing official approval or validation.
The new law served as a legitimizer for the previously unregulated industry.
Legitimizer → It is formed from "legitimus" (from Latin, meaning lawful or legitimate) and "-izer" (a suffix used to indicate a person or thing that causes an action). The word "legitimizer" refers to a person or thing that makes something lawful or legitimate.
Think of someone who makes something 'lawful' ('legitimus') — that's what a legitimizer does.