1) Addle 2) Bewilder 3) Confound 4) Confuse 5) Disorient 6) Disorientate 7) Dumbfound 8) Flummox 9) Fluster 10) Fog 11) Fuddle 12) Mystify 13) Nonplus 14) Perplex 15) Unnerve 1) Be confusing or perplexing to 2) Bedevil 3) Bewilder 4) Confound 5) Confuse 6) Discombobulate 7) Exclusively Saxon word 8) Exclusively Anglo word 9) Flummox 10) Fuddle 11) Make stupid with alcohol 12) Throw 13) To make stupidly drunk 14) To perplex, confuse 15) Word with Anglo-Saxon origins 16) Word of purely Anglo origin 
• (v. t.) To becloud and confuse, as with liquor.
Be·fud'dle transitive verb [ imperfect & past participle Befuddled ] To becloud and confuse, as with liquor. 
[v] - make stupid with alcohol
verb make stupid with alcohol
to confuse, as with glib statements or arguments: politicians befuddling the public with campaign promises. · to make stupidly drunk.
[SAT terms] be confusing or perplexing to