appreciation
noun.
understanding of the nature or meaning or quality or magnitude of something
he has a good grasp of accounting practices
Synonym: 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
Synonym: discernment, perceptiveness, taste
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
Synonym: admiration
noun.
an increase in price or value
an appreciation of 30% in the value of real estate
Antonym: depreciation