anusāsana : [nt.] advice; instruction; admonition.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Anusāsana (nt.) [Vedic anuśāsana, fr. anu + śās] advice, instruction, admonition D iii.107; A i.292 (˚pāṭihāriya, cp. anusāsanī); Miln 359.

Pali-English Dictionary, TW Rhys Davids, William Stede,