If something is feasible, it can be done, made, or achieved. She questioned whether it was feasible to stimulate investment in these regions + feasibility fea·sibil·ity The committee will study the feasibility of setting up a national computer network. a plan, idea, or method that is feasible is possible and is likely to work (faisible, from faire )
Feasibility is most frequently used in the context of "feasible" stationary source control measures In this context, feasible means Best Available Retrofit Control Technology (see definition, above)
Capable of being accomplished in a successful manner within a reasonable period of time, taking into account economic, environmental, legal, social, and technological factors
Capable of being done successfully given practical constraints (i e economically practical and technically possible) without misleading or uninterpretable results (SIOP, 1987)
A point is feasible if it satisfies all constraints The feasible region (or feasibility region) is the set of all feasible points A mathematical program is feasible if its feasible region is not empty