to tell somebody what you think they should do in a particular situation

to give somebody help and information on a subject that you know a lot about

We employ an expert to advise on new technology.

The nurse will advise about getting out of bed, bathing, and diet.

She advises the government on environmental issues.

They can advise customers about safely using and storing pesticides.

The pharmacist will advise which medicines are safe to take.

Your lawyer can advise you whether to take any action.

Please advise us of any change of address.

to advise somebody of their rights/the situation

You will be advised of the outcome of your application.

Please keep me advised of new developments in this case.

I will contact you later to advise you when to come.

I regret to advise you that the course is now full.

LEARNit Dictionary