Declension table of ?beṣṭavat

Masculine	Singular	Dual	Plural
Nominative	beṣṭavān	beṣṭavantau	beṣṭavantaḥ
Vocative	beṣṭavan	beṣṭavantau	beṣṭavantaḥ
Accusative	beṣṭavantam	beṣṭavantau	beṣṭavataḥ
Instrumental	beṣṭavatā	beṣṭavadbhyām	beṣṭavadbhiḥ
Dative	beṣṭavate	beṣṭavadbhyām	beṣṭavadbhyaḥ
Ablative	beṣṭavataḥ	beṣṭavadbhyām	beṣṭavadbhyaḥ
Genitive	beṣṭavataḥ	beṣṭavatoḥ	beṣṭavatām
Locative	beṣṭavati	beṣṭavatoḥ	beṣṭavatsu

Compound beṣṭavat -

Adverb -beṣṭavantam