Definition of “put sth on” - Learner’s Dictionary

put sth on

phrasal verb with put uk us /pʊt/ verb [ T ] (present participle putting, past tense and past participle put)

A2 to put clothes or shoes onto your body:

You'd better put your coat on, it's cold outside.

B1 to make a piece of equipment work by pressing a switch:

Can you put the light on please?

to pretend to have a particular feeling, or to behave in a way which is not real or natural for you:

He's not really upset, he's just putting it on.

A2 to make music, a film, or some other recording start playing on a machine:

Why don't you put on some music?
put on weight UK

(Definition of “put sth on” from the Cambridge Learner's Dictionary © Cambridge University Press)