Origin: 1250–1300; Middle English caucion <
Latin cautiōn- (stem of
cautiō) a taking care, equivalent to
caut(
us), past participle of
cavēre to guard against (
cau- take care, guard +
-tus past participle suffix) +
-iōn- -ion Related formscau·tion·er, noun
o·ver·cau·tion, noun, verb (used with object)
re·cau·tion, verb (used with object)
su·per·cau·tion, noun
un·cau·tioned, adjective
EXPANDSynonyms 1. circumspection, discretion, watchfulness, heed, vigilance.
2. admonition, advice, counsel.
4. admonish, forewarn.
See warn. Antonyms
1. carelessness.