In Sanskrit, the act of naming is an act of invocation. When one recites Keshava (one with long, beautiful hair, or one who killed the demon Keshi), one invokes beauty and courage. When one recites Hrishikesha (the Lord of the Senses), one invokes self-control.
“The Thousand Names of Vishnu: A Study in the Semantics of Sanskrit Theonyms” (Alternate shorter title often cited: “Vishnu’s Names in the Vishnu Sahasranama: Structure and Meaning” ) names of vishnu in sanskrit
Following the universe comes the specific name Vishnu . Etymologically, this is derived from the root vish , meaning "to be all-pervading." The sage Parasara defines Vishnu as "one who has the ability to enter everything." While Vishvam is the whole, Vishnu is the consciousness that fills the whole. In Sanskrit, the act of naming is an act of invocation