Search Result for "powerfulness": 
Wordnet 3.0

NOUN (1)

1. possession of controlling influence;
- Example: "the deterrent power of nuclear weapons"
- Example: "the power of his love saved her"
- Example: "his powerfulness was concealed by a gentle facade"
[syn: power, powerfulness]



The Collaborative International Dictionary of English v.0.48:

Powerful \Pow"er*ful\, a.
   1. Full of power; capable of producing great effects of any
      kind; potent; mighty; efficacious; intense; as, a powerful
      man or beast; a powerful engine; a powerful argument; a
      powerful light; a powerful vessel.
      [1913 Webster]

            The powerful grace that lies
            In herbs, plants, stones, and their true qualities.
                                                  --Shak.
      [1913 Webster]

   2. (Mining) Large; capacious; -- said of veins of ore.
      [1913 Webster]

   Syn: Mighty; strong; potent; forcible; efficacious;
        energetic; intense.
        [1913 Webster] -- Pow"er*ful*ly, adv. --
        Pow"er*ful*ness, n.
        [1913 Webster]


WordNet (r) 3.0 (2006):

powerfulness
    n 1: possession of controlling influence; "the deterrent power
         of nuclear weapons"; "the power of his love saved her";
         "his powerfulness was concealed by a gentle facade" [syn:
         power, powerfulness] [ant: impotence, impotency,
         powerlessness]