adjective 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.
Related forms ar·gu·a·bly, adverb
non·ar·gu·a·ble, adjective
un·ar·gu·a·ble, adjective
un·ar·gu·a·b·ly, adverb