vivac | विवच् | vivac
vi-√ vac | वि-√ वच् | P. -vakti | -वक्ति | (rarely Ā.), to, declare, announce, explain, solve (a question), RV.; ŚBr.; to decide, Yājñ., Sch. (in explaining vivāka | विवाक |); to discuss, impugn, MBh.; (Ā.) to speak variously or differently, dispute with one another about (loc.), RV.