effort

noun

1
a notable achievement
he performed a great feat
the book was her finest effort
2
use of physical or mental energy; hard work
he got an A for effort
they managed only with great exertion
3
earnest and conscientious activity intended to do or accomplish something
made an effort to cover all the reading material
wished him luck in his endeavor
4
a series of actions advancing a principle or tending toward a particular end
he supported populist campaigns
they worked in the cause of world peace

Also useful for “effort”:Unscrambler— Rearrange the letters in “effort”