familiar

1 ENTRIES FOUND:
familiar /fəˈmɪljɚ/ adjective
familiar
/fəˈmɪljɚ/
adjective
Britannica Dictionary definition of FAMILIAR
[more familiar; most familiar]
1 
a  : frequently seen, heard, or experienced
— often + to
b  — used to say that something is easy for you to recognize because you have seen, heard, or experienced it many times in the past
c  : possibly known but not clearly remembered
2 
a  : relaxed and informal
b  : appropriate for use with people you know well
c  : too friendly — often + with

familiar with

: having some knowledge about (something)

— familiarly

adverb