Extol
To praise highly
Extradite
To turn a prisoner over to jurisdiction of another country or state where a crime was allegedly committed
Extraneous
Not belonging; foreign, nonessential
Extrovert
One who is outgoing friendly ; one who is most interested in what is going around him than his own inner thoughts
Exult
To rejoice over success or victory
Feasible
Reasonable, likely; capable of being carried out
Fickle
Likely to change without reason
Formidable
Hard to overcome or deal with; causing fear or awe
Frugal
Not wasteful; thrifty
Expound
To explain; to set fourth point; to. Interpret