1) Disarrange 2) Disarrange or rumple 3) Dishevel 4) Disorder 5) Make disheveled 6) Mess up 7) Muss 8) Muss up 9) Ruffle 10) Rumple 11) Run fingers through 12) Tangle 13) To muss 14) To put into disorder 15) To touse 16) To tumble Found on https://www.crosswordclues.com/clue/tousle
Tou'sle transitive verb [ Freq. of touse . Confer Tossle .] To put into disorder; to tumble; to touse. [ Colloq.] Found on http://www.encyclo.co.uk/webster/T/76