Learner's definition of ACCOMPANY
to go somewhere with (someone)
to be a companion for (someone)
She will accompany me to the store.
Ten adults accompanied the class on their field trip.
Children under 17 must be accompanied by an adult to see this movie.
to go together with (something)
to be included with (something)
— often used as (be) accompanied
to happen or occur at the same time as or along with (something)
— usually used as (be) accompanied
to play music with (someone who is singing or playing the main tune)
to perform an accompaniment for (someone)