step-down

(noun) the act of decreasing or reducing something. Synonyms: decrease, diminution, reduction.

(verb) give up or retire from a position. Synonyms: leave office, quit, step down, resign. Examples: "The secretary of the navy will leave office next month." "The chairman resigned over the financial scandal."

(verb) reduce the level or intensity or size or scope of. Synonyms: de-escalate, weaken, step down. Example: "De-escalate a crisis."