(n,vs) put heads together and confer
convene and discuss
go into a huddle (over)
(n,adj-no) discord
dissonance
(P)
(n) peace conference
(n) peace agreement
(n) peace collaboration
(n) preliminary agreement
(n) labor-management cooperation
labour-management cooperation
(n) labor agreement
labour agreement
(n,vs) harmonious cooperation
in close cooperation
(n) peace agreement
peace accord
(n,vs) combined (concerted) efforts
solidarity
joining forces (with)
(n) illegal price-fixing agreement
(n) (comp) coordinated test method
(n) Coordinated Universal Time
UTC
(n) educational-industrial complex
(n) multilateral conference
multilateral negotiations
(n) informal discussion
(n) joint committee of both houses
(n) swap agreement
(n) (comp) British Standards Institute
BSI
(n) European Political Co-operation
EPC
(n) shareholders agreement
(exp,n) cooperation between the private and public sectors
(n) principle (or ideology) of international cooperation
(n) International Police Association
IPA
(n) international peace cooperation
(n) (comp) test coordination procedures
(n) Free Trade Agreement
FTA
(n) cooperative credit association
(n) a cooperative