संस्‍कृतशब्‍दकोशः

उल्लस्

प्रसन्न होना‚ बाग-बाग हो जाना‚ कूदना

to become happy, to jump or rise

Monier–Williams

उल्लस् — {ul-las} ({ud-√las}), P. Ā. {-lasati}, {-te}, to shine forth, beam, radiate, be brilliant BhP. Pañcar. Śiś. &c##to come forth, become visible or perceptible, appear BhP. Kathās. &c##to resound Kathās. Rājat##to sport, play, dance, be wanton or joyful Amar. Chandom##to jump, shake, tremble, be agitated BhP. Pañcar. &c.: Caus. {-lāsayati}, to cause to shine or radiate, make brilliant Pañcar. Prab##to cause to come forth or appear, cause to resound Sāh##to divert, delight Śatr. Hit##to cause to dance or jump, agitate, cause to move Kathās. Rājat. Hit. &c