Source : Webster's Revised Unabridged Dictionary (1913)

Intimacy \In"ti*ma*cy\, n.; pl. {Intimacies}. [From {Intimate}.]
   The state of being intimate; close familiarity or
   association; nearness in friendship.

   Syn: Acquaintance; familiarity; fellowship; friendship. See
        {Acquaintance}.

Source : WordNet®

intimacy
     n 1: close or warm friendship; "the absence of fences created a
          mysterious intimacy in which no one knew privacy" [syn:
          {familiarity}, {closeness}]
     2: a usually secretive or illicit sexual relationship [syn: {affair},
         {affaire}, {liaison}, {involvement}, {amour}]
     3: a feeling of being intimate and belonging together; "their
        closeness grew as the night wore on" [syn: {closeness}]