self-assertive
From Longman Dictionary of Contemporary Englishself-assertiveˌself-asˈsertive adjective CONFIDENTvery confident about saying what you think or want OPP timid —self-assertiveness, self-assertion noun [uncountable]Examples from the Corpusself-assertive• Wounded loyalty and dignified pathos were her line on stage, although off-stage she grew increasingly self-assertive.• A contributory factor, perhaps, was his concealment of a warm and generous nature behind a self-assertive manner.