Declension table of ?saṃvidhānavat

Masculine	Singular	Dual	Plural
Nominative	saṃvidhānavān	saṃvidhānavantau	saṃvidhānavantaḥ
Vocative	saṃvidhānavan	saṃvidhānavantau	saṃvidhānavantaḥ
Accusative	saṃvidhānavantam	saṃvidhānavantau	saṃvidhānavataḥ
Instrumental	saṃvidhānavatā	saṃvidhānavadbhyām	saṃvidhānavadbhiḥ
Dative	saṃvidhānavate	saṃvidhānavadbhyām	saṃvidhānavadbhyaḥ
Ablative	saṃvidhānavataḥ	saṃvidhānavadbhyām	saṃvidhānavadbhyaḥ
Genitive	saṃvidhānavataḥ	saṃvidhānavatoḥ	saṃvidhānavatām
Locative	saṃvidhānavati	saṃvidhānavatoḥ	saṃvidhānavatsu

Compound saṃvidhānavat -

Adverb -saṃvidhānavantam