Forced, constrained, done under compulsion.(adjective)
To work together.(verb)
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Use "coact" in a sentence
"Cousin german to idleness, and a concomitant cause, which goes hand in hand with it, is [1558] nimia solitudo, too much solitariness, by the testimony of all physicians, cause and symptom both; but as it is here put for a cause, it is either coact, enforced, or else voluntary."
"Solitariness cause of melancholy; coact, voluntary, how good; sign of melancholy"
"Networking and Business Opps. You ability just accommodated a adolescent blogger, webmaster or business accomplice that wants to coact on a specific activity or venture."