ADDLE

• Baffle

• Become rotten

• Become rotten, as eggs

• Befuddle

• Bewilder

• Buffalo

• Cause confusion

• Confound

• Confuse

• Confuse Garfield, dashing back inside (5)

• Confuse Spot, led astray (5)

• Discombobulate

• Disorient

• Dizzy

• Flummox

• Fluster

• Get confused

• Leave clueless

• Make confused

• Make mad or go bad

• Make muddled

• Mix up

• Muddle

• Nonplus

• Perplex

• Perturb

• Pull a switcheroo on

• Puzzle

• Rattle

• Scramble, as brains

• Spoil

• Stump

• Throw

• Throw for a loop

• Throw into confusion

• Throw off

• Vex