Tra từ caution - Từ điển Oxford Advanced Learner 8th

cau·tion [caution cautions cautioned cautioning] noun, verb BrE [ˈkɔːʃn] NAmE [ˈkɔːʃn]
noun
1. uncountable care that you take in order to avoid danger or mistakes; not taking any risks
•extreme/great caution
•Statistics should be treated with caution.
•He could find himself making enemies as well as friends unless he proceeds with the utmost caution.
2. countable (BrE)a warning that is given by the police to sb who has committed a crime that is not too serious
•As a first offender, she got off with a caution.
3. uncountable, countable (formal)a warning or a piece of advice about a possible danger or risk
•a word/note of caution
•Some cautions must be mentioned— for example good tools are essential to do the job well.

Word Origin:
Middle English (denoting bail or a guarantee; now chiefly Scots and US): from Latin cautio(n-), from cavere ‘take heed’.

Synonyms:
care
caution • prudence
These are all words for attention or thought that you give to sth in order to avoid mistakes or accidents.
care • attention or thought that you give to sth that you are doing so that you will do it well and avoid mistakes or damage: ▪ She chose her words with care.
caution • care that you take in order to avoid danger or mistakes; not taking any risks: ▪ The utmost caution must be exercised when handling explosives.
prudence • (rather formal) being sensible and careful when you make judgements and decisions; avoiding unnecessary risks: ▪ As a matter of prudence, keep a record of all your financial transactions.
Prudence is used particularly in financial contexts.
to do sth with care/caution/prudence
great/extreme care/caution/prudence
to use/exercise care/caution/prudence
to proceed with care/caution

Example Bank:
•I must stress the need for caution.
•I would just like to add a word of caution.
•The board sounded a note of caution about the economy.
•The information on the website should be treated with some caution.
•The information should be treated with some caution.
•The utmost caution must be exercised when handling explosives.
•They let her off with a caution.
•We proceeded with due caution.
•We urge caution in the use of this medication.
•It is better to err on the side of caution
•Some cautions must be kept in mind when interpreting these results.
•Some companies have sounded a note of caution about the outlook for the second half of this year.
Idiom: ↑cast caution to the wind

verb
1. intransitive, transitive to warn sb about the possible dangers or problems of sth
•~ against sth I would caution against getting too involved.
•~ sb against/about sth Sam cautioned him against making a hasty decision.
•~ (sb) that… The government cautioned that pay increases could lead to job losses.
•~ sb to do sth Employees were cautioned to be careful about what they said to people outside the company.
•~ (sb) + speech ‘I'd take care if I were you,’ she cautioned (him).
2. transitive ~ sb (BrE, law)to warn sb officially that anything they say may be used as evidence against them in court
•Suspects must be cautioned before any questions are asked.
3. transitive, usually passive (BrE, law)~ sb (for sth) to warn sb officially that they will be punished if they do sth wrong or illegal again
•She wasn't sent to the juvenile court; instead she was cautioned.
Verb forms:

Word Origin:
Middle English (denoting bail or a guarantee; now chiefly Scots and US): from Latin cautio(n-), from cavere ‘take heed’.