appreciable

[ uh-pree-shee-uh-buh l, -shuh-buh l ]

/ əˈpri ʃi ə bəl, -ʃə bəl /

sufficient to be readily perceived or estimated; considerable: There is an appreciable difference between socialism and communism.

Origin of appreciable

First recorded in 1810–20; appreci(ate) + -able

ap·pre·ci·a·bly, adverb un·ap·pre·ci·a·ble, adjective un·ap·pre·ci·a·bly, adverb

(LOC 2055-2063) Will our grid be appreciably smarter in 2013 than it was in 2008?

David's Bookclub: The New New Deal |David Frum |December 1, 2012 |DAILY BEAST
His manner was appreciably milder—somewhat dazed—although he by no means gave evidence of being humbled to the dust.

The Bell in the Fog and Other Stories |Gertrude Atherton
My father beckoned to her and thanked her appreciably in the yellow tongue.

The Adventures of Harry Richmond, Complete |George Meredith
That is, she did not loathe him appreciably more than she had done for years.

Happy House |Betsey Riddle, Freifrau von Hutten zum Stolzenberg

What is the use of "inspiration" if it does not appreciably quicken the natural development of the human conscience?

The Book Of God |G. W. Foote
Grôm, looking back over his shoulder, realized that their pursuers were now gaining upon them appreciably.

In the Morning of Time |Charles G. D. Roberts

appreciable

/ (əˈpriːʃɪəbəl, -ʃəbəl) /

sufficient to be easily seen, measured, or noticed

appreciably, adverb