Wait, don't retaliate, calm down, be quiet.
wait for the dust to settle
To let a situation calm down, become clear or certain, before taking a…
pour oil on troubled waters
To calm, appease or quiet a person or situation.
say the quiet part loud
To willingly express a sentiment that is normally considered embarrass…
hold one's jaw
To refrain from talking, to hold one's tongue, to be quiet.
sit tight
To wait patiently; to take no action; to remain quiet or relatively mo…
pipe down
To be quiet; to refrain from being noisy.