Declension table of ?vaśitavya

Neuter	Singular	Dual	Plural
Nominative	vaśitavyam	vaśitavye	vaśitavyāni
Vocative	vaśitavya	vaśitavye	vaśitavyāni
Accusative	vaśitavyam	vaśitavye	vaśitavyāni
Instrumental	vaśitavyena	vaśitavyābhyām	vaśitavyaiḥ
Dative	vaśitavyāya	vaśitavyābhyām	vaśitavyebhyaḥ
Ablative	vaśitavyāt	vaśitavyābhyām	vaśitavyebhyaḥ
Genitive	vaśitavyasya	vaśitavyayoḥ	vaśitavyānām
Locative	vaśitavye	vaśitavyayoḥ	vaśitavyeṣu

Compound vaśitavya -

Adverb -vaśitavyam -vaśitavyāt