accompanied
v.v. to go somewhere with someone or to happen at the same time as something else. You use this when you want to say that two things or people are together.
v. to go somewhere with someone as a companion or escort; to occur in association with something else. Often used in the passive voice to describe symptoms or conditions that appear together.
The singer was accompanied by a piano player.
The children must be accompanied by an adult at all times while they are in the museum.
The severe thunderstorm was accompanied by high winds and heavy hail, causing significant damage to the crops across the valley within minutes.
The verb is transitive and takes a direct object. In the passive voice, it is almost always followed by the preposition 'by'.
He was accompanied with his wifeHe was accompanied by his wifeWhen describing a person going with another, use the preposition 'by' rather than 'with'.