The American Heritage® Dictionary of the English Language, 4th Edition
adj. Admitting of comparison with another or others: "The satellite revolution is comparable to Gutenberg's invention of movable type” ( Irvin Molotsky).
adj. Similar or equivalent: pianists of comparable ability.
adj. Constituting a pair in a particular partial order.
adj. Said of an adjective that has a comparative and superlative form.
n. Something suitable for comparison
the GNU version of the Collaborative International Dictionary of English
adj. Capable of being compared; worthy of comparison.
The Century Dictionary and Cyclopedia
Capable of being compared.
Worthy of comparison; being of equal regard; worthy to be ranked with.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. able to be compared or worthy of comparison
adj. conforming in every respect
Word Usage
"The first to his boss, Fred Fielding, on Feb. 3, 1984 denounced the notion of equal pay for comparable worth, saying It is difficult to exaggerate the perniciousness of the comparable worth theory."