A form of romantic courtship typically between two individuals with the aim of assessing the other's suitability as a partner in an intimate relationship or as a spouse. The result of dating may at any time lead to friendship, any level of intimate relationship, marriage, or no relation.

Wiktionary

An estimation of the age of an artifact, biological vestige, linguistic usage, etc.

Wiktionary

The setting of a date on which an event or transaction is to take place or take effect.

Wiktionary

• Synonyms:
• geological dating