caution

nouns

the trait of being cautious; being attentive to possible danger
"a man of caution"
carefulness, caution, cautiousness
antonym
incaution
a warning against certain acts
"a caveat against unfair practices"
caution, caveat
is derived from
cautionary
judiciousness in avoiding harm or danger
"he exercised caution in opening the door"; "he handled the vase with care"
care, caution, forethought, precaution
is derived from
cautious
the trait of being circumspect and prudent
caution, circumspection

verbs

warn strongly; put on guard
admonish, caution, monish