— cooperator, co-operator , n.
/koh op"euh rayt'/ , v.i. , cooperated, cooperating .
1. to work or act together or jointly for a common purpose or benefit.
2. to work or act with another or other persons willingly and agreeably.
3. to practice economic cooperation.
Also, co-operate .
[ 1595-1605; cooperatus ptp. of cooperari to work with. See CO-, OPERATE ]
Syn. 2. collaborate, join, participate.