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.
• 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.
• noun A simplified spelling of blende.

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

• 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.
• intransitive verb To mingle; to mix; to unite intimately; to pass or shade insensibly into each other, as colors.
• transitive verb obsolete To make blind, literally or figuratively; to dazzle; to deceive.
• 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.

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