intervene

Verb
  1. Get involved, so as to alter or hinder an action, or through force or threat of force (synset 202544431)
    "Why did the U.S. not intervene earlier in WW II?"
    is a type of: interact - act together or towards others or with others
    subtypes:
    • meddle, tamper - intrude in other people's affairs or business; interfere unwantedly
    • interlope - encroach on the rights of others, as in trading without a proper license
    same as: interfere, interpose, step in
  2. Be placed or located between other things or extend between spaces and events (synset 202697331)
    "This interludes intervenes between the two movements"; "Eight days intervened"
    is a type of: lie - be located or situated somewhere; occupy a certain position
  3. Occur between other event or between certain points of time (synset 200341638)
    "the war intervened between the birth of her two children"
    is a type of: come about, fall out, go on, hap, happen, occur, pass, pass off, take place - come to pass

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