Source : Webster's Revised Unabridged Dictionary (1913)

Vaishnavism \Vaish"na*vism\, n.
   The worship of Vishnu.

Source : WordNet®

Vaishnavism
     n 1: Hindu sect worshiping of Vishnu [syn: {Vaisnavism}]
     2: worship of Vishnu one of the 3 chief gods of the Hindu
        pantheon [syn: {Vaisnavism}, {Vishnuism}]