Declension table of ?ativeṣyat

Masculine	Singular	Dual	Plural
Nominative	ativeṣyan	ativeṣyantau	ativeṣyantaḥ
Vocative	ativeṣyan	ativeṣyantau	ativeṣyantaḥ
Accusative	ativeṣyantam	ativeṣyantau	ativeṣyataḥ
Instrumental	ativeṣyatā	ativeṣyadbhyām	ativeṣyadbhiḥ
Dative	ativeṣyate	ativeṣyadbhyām	ativeṣyadbhyaḥ
Ablative	ativeṣyataḥ	ativeṣyadbhyām	ativeṣyadbhyaḥ
Genitive	ativeṣyataḥ	ativeṣyatoḥ	ativeṣyatām
Locative	ativeṣyati	ativeṣyatoḥ	ativeṣyatsu

Compound ativeṣyat -

Adverb -ativeṣyantam