— arguably , adv.
/ahr"gyooh euh beuhl/ , 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.
[ 1605-15; ARGUE + -ABLE ]