blend

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To combine or mix (different substances) so that the constituent parts are indistinguishable from one another.
• intransitive verb To combine (varieties or grades of the same substance) to obtain a mixture of a particular character, quality, or consistency.
• intransitive verb To combine (different elements) into a single entity: synonym: mix.
• intransitive verb To form a uniform mixture.
• intransitive verb To be unobtrusive or harmonious by resembling the surroundings or behaving like others in a group. Often used with in:
• intransitive verb To create a harmonious effect or result.
• noun The act of blending.
• noun Something, such as an effect or a product, that is created by blending.
• noun Linguistics A word produced by combining parts of other words, as smog from smoke and fog.

from The Century Dictionary.

• noun A mixing or mixture, as of liquids, colors, etc.: as, tea of our own blend.
• noun The brand, kind, or quality produced by mixing together different sorts or qualities of a commodity: as, a fine blend of tea; the finest blend of whisky.
• noun A simplified spelling of blende.
• To blind; deceive.
• To mix together in such a way that the things mixed become inseparable, or cannot easily be separated.
• To cause to pass imperceptibly into one another; unite so that there shall be no perceptible line of division: as, to blend the colors of a painting.
• To mix up in the mind; confound (one thing with another).
• To stir up (a liquid); hence, to render turbid; figuratively, disturb.
• To pollute by mixture; spoil or corrupt.
• Synonyms Mix, etc. See mingle.
• To mix or mingle; unite intimately so as to form a harmonious whole; unite so as to be indistinguishable.
• To pass imperceptibly into each other: as, sea and sky seemed to blend.
• In biology, to exhibit or transmit to descendants the resultant or combination of resemblances to the two parents in inheritance.
• In psychology, to combine in such a way that the combining qualities are thrust more or less into the background by the total impression which results from their combination; fuse.
• noun In psychology, a fusion; a connection of mental processes in which the constituents are forced into the background by the total impression.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To mingle; to mix; to unite intimately; to pass or shade insensibly into each other, as colors.
• transitive verb To mix or mingle together; esp. to mingle, combine, or associate so that the separate things mixed, or the line of demarcation, can not be distinguished. Hence: To confuse; to confound.
• transitive verb obsolete To pollute by mixture or association; to spoil or corrupt; to blot; to stain.
• transitive verb obsolete To make blind, literally or figuratively; to dazzle; to deceive.
• noun A thorough mixture of one thing with another, as color, tint, etc., into another, so that it cannot be known where one ends or the other begins.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A mixture of two or more things.
• noun linguistics A word formed by combining two other words; a grammatical contamination, portmanteau word.
• verb transitive To mix.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the act of blending components together thoroughly
• noun an occurrence of thorough mixing
• verb mix together different elements
• verb blend or harmonize
• verb combine into one
• noun a new word formed by joining two others and combining their meanings