ability
abil.i.ty \*-'bil-*t-e-\ n [ME abilite, fr. MF habilite`, fr. L habilitat-, habilita]s, fr. habilis apt, skillful - more at ABLE 1a: the quality or state of being able; esp : physical, mental, or legal power to perform 1b: competence in doing : SKILL 2: natural talent or acquired proficiency : APTITUDE