discriminate

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To make a clear distinction; distinguish: discriminate among the options available.
2. v. To make sensible decisions; judge wisely.
3. v. To make distinctions on the basis of class or category without regard to individual merit; show preference or prejudice: was accused of discriminating against women; discriminated in favor of his cronies.
4. v. To perceive the distinguishing features of; recognize as distinct: discriminate right from wrong.
5. v. To distinguish by noting differences; differentiate: unable to discriminate colors.
6. v. To make or constitute a distinction in or between: methods that discriminate science from pseudoscience.

Century Dictionary and Cyclopedia

1. To distinguish from something else, or from each other; separate observe or mark the differences between, absolutely or by some note or sign of distinction: as, to discriminate true from false modesty; to discriminate animals by names.
2. To select; pick out; make a distinction in regard to: as, to discriminate certain persons from a crowd of applicants.
3. To make a difference or distinction; observe or note a difference; distinguish: as, to discriminate between degrees of guilt.
4. Discriminating-perceiving nice differences.
5. Distinctive; discriminated.

Wiktionary

1. v. intransitive To make distinctions.
2. v. intransitive To make decisions based on prejudice.

GNU Webster's 1913

1. adj. Having the difference marked; distinguished by certain tokens.
2. v. To set apart as being different; to mark as different; to separate from another by discerning differences; to distinguish.
3. v. To make a difference or distinction; to distinguish accurately.
4. v. To treat unequally.
5. v. (Railroads) To impose unequal tariffs for substantially the same service.

WordNet 3.0

1. v. treat differently on the basis of sex or race
2. v. recognize or perceive the difference
3. adj. marked by the ability to see or make fine distinctions
4. v. distinguish.