Dictionary
ar•gu•a•ble
Pronunciation: (är'gyOO-u-bul), [key]—
adj.
1. susceptible to debate, challenge, or doubt; questionable:
Whether this is the best plan of action or not is arguable.
2. susceptible to being supported by convincing or persuasive argument:
Admirers agree that it is arguable he is the finest pianist of his generation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.