courtship

US /ˈkɔːrt.ʃɪp/
UK /ˈkɔːrt.ʃɪp/
"courtship" picture
1.

a period during which a man and a woman are developing a romantic relationship, especially with a view to marriage

:
Their courtship lasted for two years before they got married.
He began his courtship of her with flowers and letters.
2.

the behavior of male birds and other animals that are trying to attract a mate

:
The elaborate courtship display of the peacock is fascinating to watch.
Many species have unique courtship rituals.