Declension table of ?samādeśana

Neuter	Singular	Dual	Plural
Nominative	samādeśanam	samādeśane	samādeśanāni
Vocative	samādeśana	samādeśane	samādeśanāni
Accusative	samādeśanam	samādeśane	samādeśanāni
Instrumental	samādeśanena	samādeśanābhyām	samādeśanaiḥ
Dative	samādeśanāya	samādeśanābhyām	samādeśanebhyaḥ
Ablative	samādeśanāt	samādeśanābhyām	samādeśanebhyaḥ
Genitive	samādeśanasya	samādeśanayoḥ	samādeśanānām
Locative	samādeśane	samādeśanayoḥ	samādeśaneṣu

Compound samādeśana -

Adverb -samādeśanam -samādeśanāt