the action or process of seeking to gain the romantic affections of someone, often with the end goal of marriage, or the period over which this action takes place;
e.g. They saw each other every day for the duration of their courtship, until he asked her to marry him.
(noun)
in animals, the action or process of performing behaviors intended to attract a mate, or the duration for which these behaviors are performed;
e.g. In many species, males become aggressive during courtship as they compete with each other.