sway
     n 1: controlling influence
     2: pitching dangerously to one side [syn: {rock}, {careen}, {tilt}]
     v 1: move back and forth  or sideways; "the ship was rocking";
          "the tall building swayed"; "She rocked back and forth
          on her feet" [syn: {rock}, {shake}]
     2: move or walk in a swinging or swaying manner; "He swung
        back" [syn: {swing}]
     3: win approval or support for; "Carry all before one"; "His
        speech did not sway the voters" [syn: {carry}, {persuade}]
     4: cause to move back and forth; "rock the cradle"; "rock the
        baby"; "the wind swayed the trees gently" [syn: {rock}]
Source: WordNet® 2.0