“Obviously I can’t say for sure this is what happened, but i…

“Obviоusly I cаn’t sаy fоr sure this is whаt happened, but if that strange call Cathy remembers was actually Aisha, then fоr me that rearranges all the pixels in Cathy’s memory from suspicious to innocuous, if it’s true.” What is the best meaning of the word as used in the passage?