Open English Wordnet
Verbs
(v)legalize, legalise, decriminalize, decriminalise, legitimize, legitimise, legitimate, legitimatize, legitimatisemake legal“Marijuana should be legalized”
(v)legitimatemake (an illegitimate child) legitimate; declare the legitimacy of (someone)“They legitimized their natural child”
Adjectives
(s)legitimate, logicalbased on known statements or events or conditions“rain was a logical expectation, given the time of year”
(s)legitimatein accordance with recognized or accepted standards or principles“legitimate advertising practices”
(s)lawful, legitimate, licitauthorized, sanctioned by, or in accordance with law“a legitimate government”