confuse

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To cause to be unable to think with clarity or act with intelligence or understanding; throw off.
2. v. To cause to feel embarrassment.
3. v. To mistake (for another): confused effusiveness with affection.
4. v. To make opaque; blur: "The old labels ... confuse debate instead of clarifying it” ( Christopher Lasch).
5. v. To assemble without order or sense; jumble.
6. v. Archaic To bring to ruination.
7. v. To make something unclear or incomprehensible: a new tax code that only further confuses.

Century Dictionary and Cyclopedia

1. To mingle together, as two or more things, ideas, etc., which are properly separate and distinct; combine without order or clearness; throw together indiscriminately; derange; disorder; jumble.
2. To perplex or derange the mind or ideas of; embarrass; disconcert; bewilder; confound.
3. To fuse together; blend into one.
4. To take one idea or thing for another. Synonyms To derange, disarrange, disorder, mix, blend, jumble, involve, confound.
5. To become mixed up; become involved.
6. Mixed; confused: as, “a confuse cry,”
7. Perplexed; confounded; disconcerted.

Wiktionary

1. v. To thoroughly mix; to confound; to disorder.
2. v. obsolete To rout; discomfit.
3. v. To mix up; to puzzle; to bewilder.
4. v. To make uneasy and ashamed; to embarrass.
5. v. To mistake one thing for another.

GNU Webster's 1913

1. adj. obsolete Mixed; confounded.
2. v. To mix or blend so that things can not be distinguished; to jumble together; to confound; to render indistinct or obscure; ; to confuse one's vision.
3. v. To perplex; to disconcert; to abash; to cause to lose self-possession.

WordNet 3.0

1. v. assemble without order or sense
2. v. make unclear, indistinct, or blurred
3. v. cause to feel embarrassment
4. v. be confusing or perplexing to; cause to be unable to think clearly
5. v. mistake one thing for another