'appreciation' definitions:

Definition of 'appreciation'

(from WordNet)
noun
Understanding of the nature or meaning or quality or magnitude of something; "he has a good grasp of accounting practices" [syn: appreciation, grasp, hold]
noun
Delicate discrimination (especially of aesthetic values); "arrogance and lack of taste contributed to his rapid success"; "to ask at that particular time was the ultimate in bad taste" [syn: taste, appreciation, discernment, perceptiveness]
noun
An expression of gratitude; "he expressed his appreciation in a short note"
noun
A favorable judgment; "a small token in admiration of your works" [syn: admiration, appreciation]
noun
An increase in price or value; "an appreciation of 30% in the value of real estate" [ant: depreciation]

Synonyms of 'appreciation'

From: Moby Thesaurus