"Hadst final word" is a phrase that means "have the final say" or "have the final decision or authority." There are several synonyms for this phrase, including "decider," "arbiter," "judge," "ruler," "controller," "supreme authority," "dominant force," "top dog," "overlord," and "autocrat." These words all convey a sense of power, influence, and control over a particular situation or decision. Whether it's in business, politics, or personal relationships, having the final word or being the ultimate decider can be a position of great responsibility and influence, and these synonyms reflect that.