slightly, somewhat, more or less -- (to a small degree or extent; "his arguments were somewhat self-contradictory"; "the children argued because one slice of cake was slightly larger than the other")
reasonably, moderately, pretty, jolly, somewhat, fairly, middling, passably -- (to a moderately sufficient extent or degree; "pretty big"; "pretty bad"; "jolly decent of him"; "the shoes are priced reasonably"; "he is fairly clever with computers")