coaction

noun

1. (obsolete)Force; compulsion, either in restraining or impelling

   “November 9, 1662, Robert South, Of the Creation of Man in the Image of God It had the passions in perfect subjection; and though its command over them was persuasive and political, yet it had the force of coaction, and despotical.”

2. (countable, uncountable)Collective or collaborative action.

   “In the coaction condition, however, where the children did not have any opportunity to interact with one another, the mixed gender pairings produced a marked and statistically significant polarization of performance […]”

3. (countable, uncountable)The mapped version of an action to a cogroup.

   “actions and coactions of measured groupoids on von Neumann algebras”