intervene
//ˌɪntərˈviːn//
Verb
interveneInfinitive
intervenePresent tense
intervenedPast tense
intervenedPast participle
interveningPresent participle
intervenesThird-person singular
1
to come between disputing people or groups in order to stop or prevent conflict or disagreement
The teacher intervened to stop the argument between the two students.
2
to become involved in a situation in order to improve or help it
The teacher intervened to stop the argument between the students.
3
to occur or happen between two events or points in time
Many significant changes intervened between his first and second visits.
4
to interrupt or interfere with something in progress
I didn't want to intervene in their conversation.