ability Copy link Outline I. Power1. pŏtestas, pŏtentĭa, făcultas2. ŏpis, ŏpem, ŏpe f. (no nom. sing.)II. Mental capacity • ability: I. Power: 1. pŏtestas, pŏtentĭa, făcultas: v. power, opportunity. 2. ŏpis, ŏpem, ŏpe f. (no nom. sing.): to strive with one's utmost ab., summa ope niti, Sall.: the contest might seem scarcely within human ab., vix humanae opis videri pugna poterat, Liv. Phr.: to the best or utmost of one's ab., pro (sua) parte, Cic.: Ov.: pro parte virili, Cic.: Liv.: Ov.: pro virili portione, Tac. II. Mental capacity: ingĕnĭum: a man of very vigorous ab., vir acerrimo ing., Cic.: to improve one's a.s, ing. acuere, Cic.: to excel in ab., ingenio abundare, valere, florere, plenum esse, Cic. Join: ingenium et industria, Cic. animi et ingenii motus, Cic.