exercise
1 : the discharge of an official function or professional occupation
2 : the act or an instance of carrying out the terms of an agreement (as an option)
vt
-cised -cis·ing 1 : to make effective in action [
exercising power]
2 : to bring to bear [ influence]
3 : to implement the terms of (as an option)
ex·er·cis·able [ek-sər-sī-zə-bəl, ek-sər-sī-]
adj