विलस् [ vilas ] [ vi-√ las ] P. [ -lasati ] , to gleam , flash , glitter (only pr. p. [ -lasat ] q.v. , and pf. [ -lalāsa ] Lit. Bhaṭṭ.) ; to shine forth , appear , arise , become visible Lit. Śiś. ; to sound forth , echo (see [ vi-lasan ] ) ; to play , sport , dally , be amused or delighted Lit. Kāv. Lit. Kathās. ; to vibrate , coruscate (see [ vi-lasat ] ) : Caus. [ -lācayati ] , to cause to dance Lit. Vās.