Open English Wordnet
Verbs
(v)interposebe or come between“An interposing thicket blocked their way” (v)interposeto put forth by way of intervention“God interposed death” (v)intervene, step in, interfere, interposeget 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?”