Source : Webster's Revised Unabridged Dictionary (1913)

Friendship \Friend"ship\, n. [AS. fre['o]ndscipe. See {Friend},
   and {-ship}.]
   1. The state of being friends; friendly relation, or
      attachment, to a person, or between persons; affection
      arising from mutual esteem and good will; friendliness;
      amity; good will.

            There is little friendship in the world. --Bacon.

            There can be no friendship without confidence, and
            no confidence without integrity.      --Rambler.

            Preferred by friendship, and not chosen by
            sufficiency.                          --Spenser.

   2. Kindly aid; help; assistance, [Obs.]

            Some friendship will it [a hovel] lend you gainst
            the tempest.                          --Shak.

   3. Aptness to unite; conformity; affinity; harmony;
      correspondence. [Obs.]

            Those colors . . . have a friendship with each
            other.                                --Dryden.

Source : WordNet®

friendship
     n : the state of being friends [syn: {friendly relationship}]