Similar word to remonstrate:

animadvert, blame, censure, challenge, combat, complain, criticize, decry, demur, deprecate, disapprove, disparage, dispute, dissent, except, expostulate, fight, find fault, frown upon, inveigh, kick, nag, object, oppose, pick at, protest, rain, recriminate, resist, scold, sound off, take exception, take issue, withstand