Verb

(cooperat)

To work or act together, especially for a common purpose or benefit.

* {{quote-news, year=2012, date=November 7, author=Matt Bai, title=Winning a Second Term, Obama Will Confront Familiar Headwinds, work=New York Times citation

, passage=In polling by the Pew Research Center in November 2008, fully half the respondents thought the two parties would cooperate more in the coming year, versus only 36 percent who thought the climate would grow more adversarial. }}

To allow for mutual unobstructed action

To function in harmony, side by side

To engage in economic cooperation.

Verb

(en-verb)

To go with or attend as a companion or associate; to keep company with; to go along with.

* 1804 :

The Persian dames, […] / In sumptuous cars, accompanied his march.

* 1581 , (Philip Sidney), An Apology of Poetry, or a Defense of Poesy , Book I:

They are never alone that are accompanied with noble thoughts.

* 1979 , (Thomas Babington Macaulay), The History of England :

He was accompanied by two carts filled with wounded rebels.

To supplement with; add to.

* , chapter=5

, title= The Mirror and the Lamp , passage=He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.}}

(senseid)(music) To perform an accompanying part or parts in a composition.

(music) To perform an accompanying part next to another instrument.

(obsolete) To associate in a company; to keep company.

* (rfdate) Holland:

Men say that they will drive away one another, […] and not accompany together.

(obsolete) To cohabit (with).

(obsolete) To cohabit with; to coexist with; occur with.

(the obsolete cases)