Answer: transpiring

AnswerCrossword Clue
TRANSPIRINGOccurring
transpiring(of a secret or something unknown) Come to be known; be revealed
transpiringProve to be the case
transpiringOccur; happen
transpiringTRANSPIRE, to give off as vapour; to exhale; to emit through the skin
transpiring(of a plant or leaf) Give off water vapor through the stomata