The word "re-canted" means to take back or retract a statement or confession. Some antonyms for this word could be to assert, confirm, or affirm a statement. Other words that could be used as antonyms for "re-canted" include avow, declare, attest, and maintain. These words all describe ways of standing by a statement or assertion and refusing to take it back. While "re-canted" implies a change of mind or heart, its antonyms suggest a continued conviction and belief in the truth of what has been said.