The Collaborative International Dictionary of English v.0.48:

Indicative \In*dic"a*tive\, a. [L. indicativus: cf. F.
   indicatif.]
   [1913 Webster]
   1. Pointing out; bringing to notice; giving intimation or
      knowledge of something not visible or obvious.
      [1913 Webster]

            That truth is productive of utility, and utility
            indicative of truth, may be thus proved. --Bp.
                                                  Warburton.
      [1913 Webster]

   2. (Fine Arts) Suggestive; representing the whole by a part,
      as a fleet by a ship, a forest by a tree, etc.
      [1913 Webster]

   Indicative mood (Gram.), that mood or form of the verb
      which indicates, that is, which simply affirms or denies
      or inquires; as, he writes; he is not writing; has the
      mail arrived?
      [1913 Webster]

WordNet (r) 3.0 (2006):

indicative mood
    n 1: a mood (grammatically unmarked) that represents the act or
         state as an objective fact [syn: indicative mood,
         indicative, declarative mood, declarative, common
         mood, fact mood]