Answer:
in·ti·ma·cy
/ˈin(t)əməsē/
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noun
close familiarity or friendship; closeness.
"the intimacy between a husband and wife"
Similar:
closeness
togetherness
affinity
rapport
attachment
familiarity
confidentiality
close association
close relationship
close attachment
close friendship
friendliness
comradeship
companionship
amity
affection
mutual affection
warmth
warm feelings
understanding
fellow feeling
chumminess
palliness
mateyness
a private cozy atmosphere.
"the room had a peaceful sense of intimacy about it"
EUPHEMISTIC
an intimate act, especially sexual intercourse.