familiarly

adjective

1. Archaic having to do with a family
2. friendly, informal, or intimate: to be on familiar terms
3. too friendly; unduly intimate or bold; presumptuous
4. having an intimate knowledge of; closely acquainted (with): familiar with the Bible
5. well-known; common; ordinary: a familiar sight
6. domesticated: said of animals

noun

1. 1. a close friend or associate
   2. Rare habitué
   3. Archaic an ecclesiastical servant or agent
2. Folklore an evil spirit constantly attending someone and typically dwelling within an animal; also, the animal within which such a spirit dwells