powerfulness

[English powerful; -ne .] The quality or state of being powerful; might, force, power, efficacy, strength. "England alone should repose her selfe on her owne force, and powerfulne e ."-Hackluyt: Voyages, vol. iii. pow-er-le , *powre-le e, a . [Eng. power; -le .] Destitute of power, strength, or energy; weak, impotent; unable to produce any effect. pow-er-le -ly, adv. [Eng. powerle ; -ly.] In a powerle manner; without power or force; weakly, impotently.