Yea it's actually not the right word. My guess is it won't be front and center in Mueller's vocabulary.

I knew there was a reason to hang on to my password for Myspace....sell all your FB shares now

May or may not be "collusion" but I think it's important that we learn the depth of a foreign attack on the basis of our democratic society so that we can avoid any suggestion that our politicians are beholden to foreign adversaries.