Dictionary definition · caution
noun
- the trait of being cautious; being attentive to possible danger"a man of caution"
- a warning against certain acts"a caveat against unfair practices"
- judiciousness in avoiding harm or danger"he exercised caution in opening the door"
- the trait of being circumspect and prudent
verb
- warn strongly; put on guard
Source: Open English WordNet (CC BY 4.0).