%competency%

{ , n. [ Cf. F. compétence, from L. competentia agreement. ] 1. The state of being competent; fitness; ability; adequacy; power. [ 1913 Webster ]

The loan demonstrates, in regard to instrumental resources, the competency of this kingdom to the assertion of the common cause. Burke. [ 1913 Webster ]

To make them act zealously is not in the competence of law. Burke. [ 1913 Webster ]

2. Property or means sufficient for the necessaries and conveniences of life; sufficiency without excess. [ 1913 Webster ]

Reason's whole pleasure, all the joys of sense,
Lie in three words -- health, peace, and competence. Pope. [ 1913 Webster ]

Superfluity comes sooner by white hairs, but competency lives longer. Shak. [ 1913 Webster ]

3. (Law) (a) Legal capacity or qualifications; fitness; as, the competency of a witness or of a evidence. (b) Right or authority; legal power or capacity to take cognizance of a cause; as, the competence of a judge or court. Kent. [ 1913 Webster ]

5. the quality of being adequately or well qualified physically and intellectually, especially possession of the skill and knowledge required (for a task). [ WordNet 1.5 +PJC ]