intervene

verb

1. get involved, so as to alter or hinder an action, or through force or threat of force

- Why did the U.S. not intervene earlier in WW II?

Similar word(s): interfere, interpose

Definition categories: social, interact

2. be placed or located between other things or extend between spaces and events

- This interludes intervenes between the two movements

- Eight days intervened

Definition categories: stative, lie

3. occur between other event or between certain points of time

- the war intervened between the birth of her two children

Definition categories: change, hap, happen, occur, pass