As a deity name
Name 237 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
प्रसन्नात्मा · adj
जो सदा प्रसन्न रहे । प्रसन्नांतःकरण । आनंदी — Śabdasāgara
प्रसन्नात्मा · noun · masculine
विष्णु — Śabdasāgara
As a Sanskrit word
Meaning
gracious-minded, propitious
Scripturally attestedWhy this matches what you typed
M1 · same meaning "prasannātmā" is the nominative of "prasannātman" — the same word in a different grammatical case.
Dictionary citations
pra-˚sannātman mfn. gracious-minded, propitious, MaitrUp.
Caveats
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