satisfy
verb
[ ˈsatɪsfʌɪ ]
• meet the expectations, needs, or desires of (someone).
• "I have never been satisfied with my job"
• provide (someone) with adequate or convincing information or proof about something.
• "people need to be satisfied that the environmental assessments are accurate"
• (of a quantity) make (an equation) true.
Origin:
late Middle English: from Old French satisfier, formed irregularly from Latin satisfacere ‘to content’, from satis ‘enough’ + facere ‘make’.