Third-person singular simple present indicative form of intervene.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "intervenes" in a sentence
"If scientists are predisposed to seek out natural law explanations, an intelligent mind that intervenes is likewise ruled out in a priori fashion."
"A candidate in whose behalf a member of Parliament intervenes is refused appointment or promotion, as the case may, if he cannot show that he was ignorant of the attempt to use political influence in his support."
"You wait till a week or a month passes; till some distance, in short, intervenes between you and the matter; and then your excitement, your fever, your wrath, have gone down, as the matter has lost its freshness; and now you see the case calmly, you see it very differently indeed from the fashion in which you saw it first; you conclude that now you see it rightly."