To go with or attend as a companion or associate; to keep company with; to go along with.
To supplement with; add to.
To perform an accompanying part or parts in a composition.
To perform an accompanying part next to (another instrument or musician).
To associate in a company; to keep company.
To cohabit (with).
To cohabit with; to coexist with; occur with.
To be found at the same time.