Declension table of ?jyotiṣīmat

Masculine	Singular	Dual	Plural
Nominative	jyotiṣīmān	jyotiṣīmantau	jyotiṣīmantaḥ
Vocative	jyotiṣīman	jyotiṣīmantau	jyotiṣīmantaḥ
Accusative	jyotiṣīmantam	jyotiṣīmantau	jyotiṣīmataḥ
Instrumental	jyotiṣīmatā	jyotiṣīmadbhyām	jyotiṣīmadbhiḥ
Dative	jyotiṣīmate	jyotiṣīmadbhyām	jyotiṣīmadbhyaḥ
Ablative	jyotiṣīmataḥ	jyotiṣīmadbhyām	jyotiṣīmadbhyaḥ
Genitive	jyotiṣīmataḥ	jyotiṣīmatoḥ	jyotiṣīmatām
Locative	jyotiṣīmati	jyotiṣīmatoḥ	jyotiṣīmatsu

Compound jyotiṣīmat -

Adverb -jyotiṣīmantam