participativeadjective
uk/pɑːˈtɪsɪpətɪv/us/pɑrˈtɪsɪpeɪtɪv/also participatory HR, WORKPLACEbased on the idea that things can be achieved more easily if everyone works together and is involved in making decisions:
She has a very participative style of management.
This will be a highly participative event, and you will be expected to work in groups and to contribute ideas.