Abate (verb)

To reduce in intensity or degree; to become less severe or intense.

Origin:

Middle english abaten, from old french abattre, from latin abbattere, to beat down, from ab- + battuere to beat.

Examples:

1. The storm abated after a few hours.
2. His anger abated after he took a deep breath.
3. The wind abated, and the waves became less rough.
4. The pain abated after taking the medication.
5. He hoped that the noise would abate during the night.