from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An impelling or restraining force; a compulsion.
  • n. Joint action.
  • n. Ecology Any of the reciprocal actions or effects, such as symbiosis, that can occur in a community.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. force; compulsion, either in restraining or impelling

from the GNU version of the Collaborative International Dictionary of English

  • n. Force; compulsion, either in restraining or impelling.

from The Century Dictionary and Cyclopedia

  • n. Force; compulsion, either in restraining or in impelling.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. act of working jointly


Middle English coaccioun, from Latin coāctiō, coāctiōn-, a collecting, from coāctus, past participle of cōgere, to collect, condense; see coagulum. Senses 2 and 3 : co- + action.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin coactio. (Wiktionary)


  • "What we spoke of was strengthening our coaction."

    The Stars Are Also Fire

  • COROLLARY Coaction only circumscribes the liberty of an agent, it does not destroy or take it away; and such circumscription is not made, except through the medium or intervention of the natural inclination; the natural inclination, therefore, is more opposed to liberty than coaction is.

    The Works of James Arminius, Vol. 2

  • Whether the collation be free or necessary it must always be gratuitous, to avoid simony; free, that is without coaction; unconditional; public, so that it may be readily proved; and granted within six months from the date of vacancy.

    The Catholic Encyclopedia, Volume 2: Assizes-Browne

  • Spontaneous acts and desires are opposed to coaction or external compulsion, but they are not thereby morally free acts.

    The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI

  • And, therefore, the wisdom of astrologers, who speak of future things, hath wisely softened the severity of their doctrines; and even in their sad predictions, while they tell us of inclination not coaction from the stars, they kill us not with Stygian oaths and merciless necessity, but leave us hopes of evasion.

    Christian Morals

  • As a creaturely product, it is certainly dependent for its development on the coaction of relative forces, both bodily and mental; but its relation to the evil is still only, even when it derives strength from the relation, one of conflict.

    Theism: The Witness of Reason and Nature to an All-Wise and Beneficent Creator.

  • (2 Cor.iii. 17;) for the Holy Spirit draws their minds, not by coaction, but by the cords of love (Cant.i. 4), by illuminating their minds to know the truth; by changing their hearts to love the known truth; and by enabling every one of them (according to the measure of grace which he has received) to do the good which he loveth.

    The Practice of Piety: Directing a Christian How to Walk, that He May Please God.

  • And so we may be subject to certain other laws, in various departments of our complex experience, without being either restrained or impelled by such external coaction as alone can exempt creatures, constituted as we know and feel ourselves to be, from the righteous retributions of God.

    Modern Atheism under its forms of Pantheism, Materialism, Secularism, Development, and Natural Laws

  • God, unless it can be shown that, in the exercise of the latter, God acts in the way of physical coaction or irresistible constraint, and further, that man is not only controlled and governed in his actions, but compelled to act in opposition to his own will.

    Modern Atheism under its forms of Pantheism, Materialism, Secularism, Development, and Natural Laws

  • If the radii be supposed to be in contact laterally, a copper disc results, in which the directions of the currents will be generally the same, being modified only by the coaction which can take place between the particles, now that they are in metallic contact.

    Experimental Researches in Electricity, Volume 1


Log in or sign up to get involved in the conversation. It's quick and easy.