6, 7, 9. Involve, entangle, implicate imply getting a person connected or bound up with something from which it is difficult to be freed. To involve is to bring more or less deeply into something, especially of a complicated, embarrassing, or troublesome nature: I'd rather not to involve someone else in my debt. To entangle (usually passive or reflexive) is to involve so deeply in a tangle as to confuse and make helpless: The candidate tended to entangle himself in a mass of contradictory statements. To implicate is to connect a person with something discreditable or wrong: She was implicated in a plot to assassinate the governor.

Did you mean preinvasive?