specify

specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement; "The will stipulates that she can live in the house for the rest of her life"; "The contract stipulates the dates of the payments"

decide upon or fix definitely; "fix the variables"; "specify the parameters"

determine the essential quality of

be specific about; "Could you please specify your criticism of my paper?"

define clearly; "I cannot narrow down the rules for this game"

design or destine; "She was intended to become the director"

select something or someone for a specific purpose; "The teacher assigned him to lead his classmates in the exercise"