The Parliament would yet give his majesty sufficient caution that the war should be prosecuted.
Clarendon.
3. Precept or warning against evil of any kind; exhortation to wariness; advice; injunction.
In way of caution I must tell you.
Shak.
Caution money, money deposited by way of security or guaranty, as by a student at an English university.
Syn. -- Care; forethought; forecast; heed; prudence; watchfulness; vigilance; circumspection; anxiety; providence; counsel; advice; warning; admonition.
Cau"tion v. t. [imp. & p. p. Cautioned (?); p. pr. & vb. n. Cautioning.] To give notice of danger to; to warn; to exhort [one] to take heed.
You cautioned me against their charms.
Swift.
Cau"tion*a*ry (?), a. 1. Conveying a caution, or warning to avoid danger; as, cautionary signals.