The term 'FAMILIAR WITH' can be described by the following crossword solutions: EXPERT (6 letters), CONVERSANT (10 letters), INON (4 letters), INTO (4 letters), ONTO (4 letters), UPON (4 letters), HIPTO (5 letters), AUFAIT (6 letters), USEDTO (6 letters), AWAREOF (7 letters), CLOSETO (7 letters). These words all describe someone who is knowledgeable and experienced in a certain area, or has a close relationship with something. For example, an EXPERT is someone who has a high level of knowledge and skill in a particular field, while a CONVERSANT is someone who is well-versed in a particular subject. Someone who is inon, INTO, ONTO, or UPON something is someone who is actively involved in it, while someone who is hipto, aufait, usedto, awareof, or closeto something is someone who is familiar with it.