paṭissuṇāti

to assent, promise, agree aor. paccassosi Vin.i.73; DN.i.236; SN.i.147, SN.i.155; Snp.p.50, and paṭisuṇi Snp-a.314; ger. -suṇitvā freq. in formula “sādhū ti patissuṇitvā” asserting his agreement, saying yes SN.i.119; Pv-a.13, Pv-a.54, Pv-a.55; & passim; also paṭissutvā SN.i.155
■ f. abstr. paṭissutavatā Snp-a.314.

paṭi + śru