Collocations for caution - noun

considerable, extra, extreme, great, utmost
The utmost caution must be exercised when handling explosives.

excessive
due
We proceeded with due caution.

exercise, take (esp. AmE), use
advise, counsel, suggest, urge
We urge caution in the use of this medication.

require

with caution
The information on the website should be treated with some caution.

err on the side of caution (= to be too cautious), the need for caution
I must stress the need for caution.

sound a note of caution
The board sounded a note of caution about the economy.

cast caution to the wind/winds, throw caution to the wind/winds (= to start taking risks)
a word of caution
I would just like to add a word of caution.

formal
He received a formal caution.

get off with, receive
give sb, issue, let sb off with
They let her off with a caution.