caution
cau-tion
noun
Care taken to avoid danger, risk, or making mistakes.
"Exercise caution when handling chemicals."
verb
To warn someone about potential danger or to advise carefulness.
"The teacher cautioned the children about the wet floor."
Thesaurus
Synonyms: monish, admonish, care, forethought, precaution, carefulness, cautiousness, circumspection, caveat
Antonyms: incaution, incautiousness