If someone behaves properly, they behave in a way that is considered acceptable and not rude.
He's a spoilt brat and it's about time he learnt to behave properly.
They will be concerned to do the right.
Correctly, or in a satisfactory way:
In a socially and morally acceptable way:
Learn more.
There are eight meanings listed in oed's entry for the adverb properly, four of which are labelled obsolete.
See 'meaning & use' for definitions, usage, and quotation evidence.
Define properly.
Properly synonyms, properly pronunciation, properly translation, english dictionary definition of properly.
Characterized by appropriateness or suitability;
The proper knife.
Definition of properly adverb in oxford advanced learner's dictionary.
Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
The meaning of properly is in a proper manner.
How to use properly in a sentence.
In a way that is acceptable or suitable;
In a way that is accurate or correct