plural of cautioner

A person who cautions. / (Scotland) A surety.

care taken to avoid danger or mistakes

(motor racing) A caution (“yellow flag”) flown during a race to separate a race into different stages. During the yellow period, standard caution flag rules apply.

caution used to justify preemptive measures that are likely not strictly necessary (often as "out of an abundance of caution")

Money deposited by way of security or guarantee.

(idiomatic) To act in the least risky manner in a situation in which one is uncertain about the consequences.

plural of interview under caution

(criminal law, law enforcement, England & Wales, formal) A formal interview of a suspect by the police as part of a criminal investigation, for which the suspect is entitled to legal representation. Used to determine whether or not to prosecute the suspect, and most commonly conducted following arrest, though sometimes in other circumstances.

Alternative form of throw caution to the wind