The Oxford Thesaurus An A-Z Dictionary of Synonyms INTRO ...

over-friendly, overfree, overfamiliar, bold, forward, insolent,
impudent, presumptuous, presuming, disrespectful, unreserved,
unrestrained; informal, casual, cordial, unceremonious; Colloq
chummy, Slang US and Canadian buddy-buddy, palsy-walsy: She
began to get entirely too familiar. 4 familiar with. aware or
conscious or cognizant of, knowledgeable about or of or in,
conversant or acquainted with, no stranger to, on speaking terms
with, up on or in, (well-)versed in, informed of or about, privy
to, in the know about, au courant, au fait: Are you familiar
with the latest theories in particle physics?
familiarity
n. 1 knowledge, acquaintance(ship), grasp, understanding,
comprehension, cognizance, awareness, conversance, experience:
I have no familiarity at all with particle physics. 2
friendliness, affability, sociability, neighbourliness,
fellowship, intimacy, intimateness, closeness, openness,
naturalness, ease, informality, unceremoniousness: He prided
himself on his familiarity with celebrities. 3 boldness,
presumptuousness, overfamiliarity, presumption, impudence,
insolence, impertinence, impropriety: He put his arm round her
waist with offensive familiarity.
familiarize
v. Usually, familiarize with. accustom (to), make familiar or
acquaint (with), initiate (in), inform (about or on), enlighten
(about or as to), teach (about), educate or instruct or tutor
(in): I am trying to familiarize myself with the music of John
Cage.
family n. 1 (kith and) kin, kinsmen, kindred, kinsfolk or US and
Canadian kinfolk, next of kin, relatives, relations, household,
people, one's own flesh and blood, one's nearest and dearest,
m‚nage, Colloq folks: We usually spend the holidays with my
family. 2 children, offspring, progeny, issue, brood, Colloq
kids: Large families were much more common in the 19th century.
3 ancestors, forebears, forefathers, progenitors; ancestry,
parentage, descent, extraction, derivation, lineage, pedigree,
genealogy, family tree, house, line, bloodline, dynasty; blood,
stock, strain: He came from an old family of German bankers. 4
group, set, division, subdivision, classification, type, kind,
class, genre, order, species, genus: English belongs to the
Indo-European family of languages.