pleasure you feel when you realize something is good, useful, or well done
It helps children to develop an appreciation of poetry and literature.
a feeling of being grateful for something someone has done
show/express your appreciation
The chairman asked me to express our appreciation of all your hard work.
He was presented with a watch in appreciation of his long service.
3 [uncountable and countable]
an understanding of the importance or meaning of something
a realistic appreciation of the situation
4 [singular, uncountable]
a rise in value, especially of land or possessions [≠ depreciation]:
an appreciation of 50% in property values