appraisable, appreciable, apprehensible, articulate, assessable, calculable, cognizable, comprehensible, computable, determinable, easily understood, easy to understand, estimable, exoteric, gaugeable, graspable, intelligible, knowable, lucid, luminous, measurable, mensurable, meterable, noticeable, numerable, penetrable, perceptible, plumbable, prehensible, quantifiable, quantizable, readable, scrutable, understandable