convince

• "He had finally convinced several customers of the advantages of his product"

Synonyms

• converta person who has been converted to another religious or political belief ; change from one system to another or to a new plan or policy; change the nature, purpose, or function of something; change religious beliefs, or adopt a religious belief; exchange or replace with another, usually of the same kind or category; cause to adopt a new or different faith; score an extra point or points after touchdown by kicking the ball through the uprights or advancing the ball into the end zone; complete successfully; score (a spare) ; make (someone) agree, understand, or realize the truth or validity of something; exchange a penalty for a less severe one ; change in nature, purpose, or function
• win overmake (someone) agree, understand, or realize the truth or validity of something