intimate

nouns

someone to whom private matters are confided

verbs

give to understand
"I insinuated that I did not like his wife"
is derived from
imply as a possibility
"The evidence suggests a need for more clarification"
is derived from
is derived from

adjectives

marked by close acquaintance, association, or familiarity
"intimate friend"; "intimate relations between economics, politics, and legal principles" - V.L. Parrington
is similar to
close in relevance or relationship
"a close family"; "we are all...in close sympathy with..."; "close kin"; "a close resemblance"
having or fostering a warm or friendly and informal atmosphere
"had a cozy chat"; "a relaxed informal manner"; "an intimate cocktail lounge"; "the small room was cozy and intimate"
having mutual interests or affections; of established friendship
"on familiar terms"; "pretending she is on an intimate footing with those she slanders"
involved in a sexual relationship
"the intimate (or sexual) relations between husband and wife"; "she had been intimate with many men"; "he touched her intimate parts"
innermost or essential
"the inner logic of Cubism"; "the internal contradictions of the theory"; "the intimate structure of matter"
thoroughly acquainted through study or experience
"this girl, so intimate with nature"-W.H.Hudson; "knowledgeable about the technique of painting"- Herbert Read