The most common and most likely answer to this crossword clue is the 7 letter word SYNERGY which also is the latest solution we found used in Newsday in 2011.
Effective cooperation crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| SYNERGY | 100 % | 7 | 
Words with a meaning similar to the clue: Effective cooperation
These words may or may not be a possible solution to this crosswords clue.- co-operation
 - synergy
 - competition
 - coordination
 - involvement
 - participation
 - partnering
 - partnerships
 - teamwork
 - solidarity
 - together
 - strengthen
 
Crossword Answer definitions
SYNERGY noun- (systems theory) A synonym of binding energy.
 - The cooperation of two or more nerves, muscles, organs, etc.
 - The combined action of two or more drugs where the effects are stronger than their mere sum.
 - Benefits resulting from combining different groups, people, objects or processes.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution