attain
succeed in achieving (something that one desires and has worked for)
despondent
in low spirits from loss of hope or courage
industrious
diligent and hard-working
relinquish
voluntarily cease to keep or claim; give up
avid
having or showing keen interest in or enthusiasm for something
euphoric
characterized by or feeling intense excitement and happiness
potential
having or showing the capacity to become or develop into something in the future
vanquish
defeat thoroughly
contend
assert something as a position in an argument
gambol
run or jump about playfully