sway verb

1 from side to side/backwards and forwards

ADV. gently, lightly, a little, slightly | alarmingly, dangerously, precariously The stage swayed alarmingly under their weight. | dizzily, drunkenly, unsteadily | back and forth, backwards and forwards, from side to side The cow's udder swayed from side to side as she walked along.

VERB + SWAY begin to

PREP. in The curtains swayed gently in the breeze.

2 influence sb/sth

ADV. easily He will not easily be swayed by argument.