Antonyms of verb criminalise

1 sense of criminalise

Sense 1
outlaw, criminalize, criminalise, illegalize, illegalise -- (declare illegal; outlaw; "Marijuana is criminalized in the U.S.")
       Antonym of decriminalise (Sense 1)
      => legalize, legalise, decriminalize, decriminalise, legitimize, legitimise, legitimate, legitimatize, legitimatise -- (make legal; "Marijuana should be legalized")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb criminalise

1 sense of criminalise

Sense 1
outlaw, criminalize, criminalise, illegalize, illegalise -- (declare illegal; outlaw; "Marijuana is criminalized in the U.S.")
       => forbid, prohibit, interdict, proscribe, veto, disallow, nix -- (command against; "I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"; "Dad nixed our plans")