Longman Dictionary of Contemporary English - intimacy

~ n 1 a state of having a close personal relationship with someone  (the intimacy and friendliness of family life) + between  (a surprising lack of intimacy between parents and children) 2 intimacies plural remarks or actions of a type that happen only between people who know each other very well  (The women often met to exchange intimacies about their social life.) 3 a word meaning sex, used especially by lawyers and police when they want to avoid using the word `sex'  (Intimacy took place on several occasions.)