apivat अपिवत्

Definition: (optative cl.1. plural -vatema-; pr. p. -v/atat-) to understand, comprehend : Caus. (Imper. 2. sg. -vātaya-; pr.p. -vāt/ayat-; Aorist 3. plural avīvatan- ) to cause to understand, make intelligible to (with or without dative case) ; (1. plural -vātayāmasi-) to excite, awaken