W: (n) powerfulness [Related to: powerful] (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"
W: (n) potency [Related to: potent] (the power or right to give orders or make decisions) "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state"
S: (adj) potent, strong, stiff (having a strong physiological or chemical effect) "a potent toxin"; "potent liquor"; "a potent cup of tea"; "a stiff drink"