Appreciable (adjective)

Large enough to be estimated; perceptible; considerable.

Appreciative (adjective)

Showing appreciation or gratitude.

Appreciative (adjective)

Capable of showing appreciation.

Appreciable (adjective)

Capable of being appreciated or estimated; large enough to be estimated; perceptible; as, an appreciable quantity.

Appreciative (adjective)

Having or showing a just or ready appreciation or perception; as, an appreciative audience.

Appreciable (adjective)

enough to be estimated or measured;

"appreciable amounts of noxious wastes are dumped into the harbor"

Appreciative (adjective)

feeling or expressive of gratitude;

"was appreciative of his efforts"

"an appreciative word"

Appreciative (adjective)

having or showing appreciation or a favorable critical judgment or opinion;

"appreciative of a beautiful landscape"

"an appreciative laugh from the audience"