Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Old French
Origin: aviser, from avis; ADVICE

advise

 verb
     
ad‧vise S2 W2
1 [intransitive and transitive] to tell someone what you think they should do, especially when you know more than they do about something:
She needed someone to advise her.
'Make sure that you keep the documents in a safe place,' Otley advised him.
advise somebody to do something
Evans advised him to leave London.
You are strongly advised to take out medical insurance when visiting China.
advise somebody against (doing) something
I'd advise you against saying anything to the press.
advise that
Experts advise that sunscreen be reapplied every one to two hours.
advise caution/patience/restraint etc (=advise people to be careful, patient etc)
The makers advise extreme caution when handling this material.
2 [intransitive and transitive] to be employed to give advice on a subject about which you have special knowledge or skill
advise on
She's been asked to advise on training the new sales team.
advise somebody on something
He advises us on tax matters.
3 [transitive] formal to tell someone about something
advise somebody of something
We'll advise you of any changes in the delivery dates.
Keep us advised of (=continue to tell us about) any new developments.
advise somebody that
They advised him that the tour would proceed.
4

you would be well/ill advised to do something

used to tell someone that it is wise or unwise to do something:
You would be well advised to stay in bed and rest.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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