intimateness

adjective

1. pertaining to the inmost character of a thing; fundamental: the intimate structure of the atom
2. most private or personal: his intimate feelings
3. closely acquainted or associated; very familiar: an intimate friend
4. promoting a feeling of privacy, coziness, romance, etc.: an intimate nightclub
5. 1. resulting from careful study or investigation; thorough: an intimate knowledge of French
   2. very close: intimate acquaintance with the facts
6. having illicit sexual relations: a euphemism

noun

transitive verb intimated, intimating

1. Archaic to make known formally; announce
2. to make known indirectly; hint or imply