direction, dimension, model, angle, rate, method, pattern, system, continuum, group, factor, approach, ratio, process, principle

natural, rapid, logical, geometrical, geometric, linear, slow, orderly, gradual, arithmetical, steady, developmental, further, tumor, normal, arithmetic, regular, harmonic, clinical, historical, simple, similar, smooth, infinite, forward, temporal, clear, continuous, evolutionary, malignant, inevitable, upward, endless, step, slower, neoplastic, typical, constant, definite, sequential, spiritual, melodic, relentless, subsequent, eternal, thematic, usual, systematic, disease, dialectical, dramatic, downward, radiographic, prostate, overall, following, inexorable, functional, like, mathematical, automatic, continual, continued, chromatic, rhythmic, seasonal, accelerated, musical, apparent, faster