verb / noun
sway
SWAY/sweɪ/
Movement from side to side under an influence.
The willow's flexible crown sways gently from side to side.

Etymology
Middle English sweien described movement generally, including going quickly or carrying something along. It later acquired the more specific sense of swinging or wavering, leading to movement from side to side.
In context
When the flowers reach full bloom, color and movement create a ceiling that continuously shifts. Gentle breezes cause the clusters to sway slowly
More examples
- The boat's steady sway makes me sleepy.
- One bad review rarely sways my opinion.
- She holds considerable sway over the committee's decisions.
Forms
sway · sways · swayed · swaying