Possession of controlling influence

Wiktionary Word definitions in Wiktionary
n. The quality of being powerful

WordNet Word definitions in WordNet
n. 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 ] [ant: powerlessness , powerlessness ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Powerful \Pow"er*ful\, a. 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. The powerful grace that ...