simple past tense and past participle of appreciate

recognized as having value / (of an investment) having risen in value

Large enough to be estimated; perceptible; considerable.

The act of appreciating. / A fair valuation or estimate of merit, worth, weight, etc.; recognition of excellence. / Accurate perception; true estimation. / A rise in value.

(transitive) To be grateful or thankful for. / (transitive) To view as valuable. / (transitive) To be fully conscious of; understand; be aware of; detect.

Showing appreciation or gratitude. / Capable of showing appreciation.

present participle of appreciate

Appreciative: having or showing appreciation.

appreciation

In an appreciative manner.