Nivissa-vādin (adjective/noun) [nivissa (gerund of nivisati) + vādin] "speaking in the manner of being settled or sure," a dogmatist Snp 910, 913, explained at Nidd I 326 as "sassato loko idam eva saccaṃ, mogham aññan ti"; at Pj II 560 as "jānāmi passāmi tath'eva etan ti."