Answer: blending

AnswerCrossword Clue
blendingthe act of blending
blendingMerge (a color) with another so that one is not clearly distinguishable from the other
blendingForm a harmonious combination
blendingBe unobtrusive or harmonious by being similar in appearance or behavior
blendingMix (a substance) with another substance so that they combine together as a mass
blendingMix (different types of the same substance, such as tea, coffee, liquor, etc.) together so as to make a product of the desired quality
blendingPut or combine (abstract things) together