exuberance exuberance /ɪgˈzuːbɝəns/

noun

1. Overflowing with eager enjoyment or approval  ( ebullience , exuberance , enthusiasm )
   overflowing with eager enjoyment or approval
     Her enthusiasm for the project inspired others to get involved.
   Her enthusiasm for the project inspired others to get involved.
   
2. Joyful enthusiasm  ( exuberance )
   joyful enthusiasm