As a deity name
Name 78 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 897 of the Gayatri Sahasranāma — Devi Bhagavata Purana, as taught by Sages
Name 114 of the Lakshmi Sahasranāma — Skanda Purana / Sanat Kumara Samhita, as taught by Sages Sanatkumara and Devotees
As a Hindi name
वैष्णवी · noun · feminine
विष्णु की शक्ति · दुर्गा · गंगा — Śabdasāgara
वैष्णवी · vaishṇavī · s.f.
The personified Śakti or 'energy' of Vishṇu (regarded as one of the Mātr̤is) — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 1210
Cited formation "वैष्णवी" is वैष्णव + -ई: वैष्णव means "(f. -ī), Relating or belonging to Vishṇu", and the suffix -ई forms abstract nouns (fem.). CHD Basic Grammar App. I §8(14) — cited from the extracted rule table — base gloss: Platts (1884), digital edition courtesy DSAL, University of Chicago
Cited formation "वैष्णवी" is वैष्णव + -ई: वैष्णव means "(f. -ī), Relating or belonging to Vishṇu", and the suffix -ई forms 'belonging to', 'having', 'coming from' (adjectives). CHD Basic Grammar App. I §9(6) — cited from the extracted rule table — base gloss: Platts (1884), digital edition courtesy DSAL, University of Chicago
Cited formation "वैष्णवी" is वैष्णव + -ई: वैष्णव means "(f. -ī), Relating or belonging to Vishṇu", and the suffix -ई forms diminutives (fem.). CHD Basic Grammar App. I §9(6) — cited from the extracted rule table — base gloss: Platts (1884), digital edition courtesy DSAL, University of Chicago
As a Sanskrit word
Meaning
patr. fr. viṣṇu
Scripturally attested Verified derivationWhy this matches what you typed
M1 · same meaning "vaiṣṇavī" is the feminine form of "vaiṣṇava" — the same word with the feminine ending, recorded by the dictionary's own gender marker on that entry.
Dictionary citations
vaiṣṇavī (ī), f. patr. fr. viṣṇu, MBh.
a female worshipper of Viṣṇu, Pañcar.
the personified Śakti of Viṣṇu (regarded as one of the Mātṛs, and identified with Durgā and Manasā), MBh.; Rājat. &c.
Asparagus Racemosus, L.
Ocimum Sanctum, L.
vaiṣṇava mf(ī)n. relating or belonging or devoted or consecrated to Viṣṇu (q.v.), worshipping V˚, TS. &c. &c.
vaiṣṇava m. patr. fr. viṣṇu, g. bidādi
Caveats
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