IPA: /ˈwɔːrəntəbl/
KK: /ˈwɔːrəntəbl/
Describing something that can be justified or is proper and reasonable.
The committee found the request for additional funding to be warrantable given the project's success.
Warrantable → It is formed from "warrant" (from Old French *garantir*, meaning to guarantee or protect) and "-able" (meaning capable of). The word "warrantable" means capable of being guaranteed or justified.
Think of something that can be 'guaranteed' ('warrant') and is 'capable of' ('-able') being justified.