CALM is validvalid

free from agitation [adj CALMER, CALMEST] : CALMLY [adv], CALMNESS [n] / to make calm [v CALMED, CALMING, CALMS] : CALMINGLY [adv]

1,691 of 196,601 in NWL2023·also valid in CSW24

to become not agitated [v -ED, -ING, -S] / free from agitation [adj CALMER, CALMEST, CALMLY]