feasibility

Concise Oxford English Dictionary © 2008 Oxford University Press:
feasible /ˈfiːzɪb(ə)l/

▶adjective

• 1 possible to do easily or conveniently.

• 2 likely; probable.

– derivatives
feasibility noun,
feasibly adverb.

– origin ME: from OFr. faisible, from fais-, stem of faire ‘do, make’, from L. facere.

usage: Although traditionalists object to the use of feasible to mean ‘likely’ or ‘probable’ (as in the most feasible explanation), this sense has been in the language for centuries and is generally considered acceptable.