Definitions

1. adjective

relating to or forming a company; relating to accompaniment or association

“The comitative verb form in some languages emphasizes the accompaniment of the action.”

2. noun

a grammatical case used to indicate accompaniment or association

“Some languages use the comitative case to express the idea of being accompanied.”

3. noun

a group of people or things that are together or associated

“The comitative of the hikers included their friends and family who had come to watch them.”