To fulfill the desires, expectations, or needs of someone or something. The new policy was designed to satisfy the demands of the employees.
To provide enough information or proof to convince someone of something. The evidence presented in court was enough to satisfy the jury of the defendant's innocence.
To meet the requirements or conditions of a rule or law. The company had to satisfy several regulatory requirements before launching the product.
To discharge or pay off (a debt, claim, or obligation). He sold his car to satisfy his outstanding debts.
Of a value, assignment, or interpretation: to make (an equation, formula, or predicate) true. The number 2 satisfies the equation x² = 4.