Familiarity

[fuh-mil-ee-ar-i-tee, -mil-yar-] /fəˌmɪl iˈær ɪ ti, -mɪlˈyær-/

noun, plural familiarities.
1.
thorough knowledge or mastery of a thing, subject, etc.
2.
the state of being ; friendly relationship; close acquaintance; intimacy.
3.
an absence of ceremony and formality; informality.
4.
freedom of behavior justified only by the closest relationship; undue intimacy.
5.
Often, familiarities. an instance of such freedom, as in action or speech.
6.
a sexual liberty or impropriety.
/fəˌmɪlɪˈærɪtɪ/
noun (pl) -ties
1.
reasonable knowledge or acquaintance, as with a subject or place
2.
close acquaintanceship or intimacy
3.
undue intimacy
4.
(sometimes pl) an instance of unwarranted intimacy
n.

c.1200, from Old French familiarite and directly from Latin familiaritatem (nominative familiaritas) “intimacy, friendship,” from familiaris “friendly, intimate” (see familiar). Meaning “undue intimacy” is from late 14c. That of “close acquaintance” is from c.1600.

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The better we know people, the more likely we are to find fault with them. Long experience of someone or something can make one so aware of the faults as to be scornful. For example, Ten years at the same job and now he hates it—familiarity breeds contempt. The idea is much older, but the […]
Familiarization
[fuh-mil-yuh-rahyz] /fəˈmɪl yəˌraɪz/ verb (used with object), familiarized, familiarizing. 1. to make (onself or another) well-acquainted or conversant with something. 2. to make (something) well-known; bring into common knowledge or use. 3. Archaic. to make ; establish (a person) in friendly intimacy. verb (used without object), familiarized, familiarizing. 4. Archaic. to associate in a way. […]
Familiarize
[fuh-mil-yuh-rahyz] /fəˈmɪl yəˌraɪz/ verb (used with object), familiarized, familiarizing. 1. to make (onself or another) well-acquainted or conversant with something. 2. to make (something) well-known; bring into common knowledge or use. 3. Archaic. to make ; establish (a person) in friendly intimacy. verb (used without object), familiarized, familiarizing. 4. Archaic. to associate in a way. […]

Familiarized
[fuh-mil-yuh-rahyz] /fəˈmɪl yəˌraɪz/ verb (used with object), familiarized, familiarizing. 1. to make (onself or another) well-acquainted or conversant with something. 2. to make (something) well-known; bring into common knowledge or use. 3. Archaic. to make ; establish (a person) in friendly intimacy. verb (used without object), familiarized, familiarizing. 4. Archaic. to associate in a way. […]
Familiarly
[fuh-mil-yer] /fəˈmɪl yər/ adjective 1. commonly or generally known or seen: a familiar sight. 2. well-acquainted; thoroughly conversant: to be familiar with a subject. 3. informal; easygoing; unceremonious; unconstrained: to write in a familiar style. 4. closely intimate or personal: a familiar friend; to be on familiar terms. 5. unduly intimate; too personal; taking liberties; […]