An assignation is a secret meeting with someone, especially with a lover. She had an assignation with her boyfriend. a secret meeting, especially with someone you are having a romantic relationship with - often used humorously
An appointment of time and place for meeting or interview; used chiefly of love interviews, and now commonly in a bad sense
the act of distributing by allotting or apportioning; distribution according to a plan; "the apportionment of seats in the House of Representatives is based on the relative population of each state"