Dating is a stage of romantic relationships practised in Western societies whereby two people meet socially with the aim of each assessing the others suitability as a prospective partner in a future intimate relationship.
What is someones date?
A date is an appointment to meet someone or go out with them, especially someone with whom you are having, or may soon have, a romantic relationship. I have a date with Bob. If you have a date with someone with whom you are having, or may soon have, a romantic relationship, you can refer to that person as your date.