1) Act agog 2) Act gung-ho 3) Be gung-ho 4) Become excitedly delighted 5) Become fervid 6) Become rhapsodic 7) Bubble over 8) Cause to feel enthusiasm 9) Display delight about 10) Evince ardor 11) Excite 12) Excite or pump up 13) Express delight 14) Get excited 15) Get excited about 16) Gush 17) Gush excitedly Found on https://www.crosswordclues.com/clue/enthuse