S: (v) change, alter, vary (become different in some particular way, without permanently losing one's or its former characteristics or essence) "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season"
S: (v) widen, broaden, extend (extend in scope or range or area) "The law was extended to all citizens"; "widen the range of applications"; "broaden your horizon"; "Extend your backyard"
W: (adj) extensive [Related to: extend] (large in spatial extent or range or scope or quantity) "an extensive Roman settlement in northwest England"; "extended farm lands"; "surgeons with extended experience"; "they suffered extensive damage"
W: (n) extension [Related to: extend] (act of expanding in scope; making more widely available) "extension of the program to all in need"
W: (n) extent [Related to: extend] (the point or degree to which something extends) "the extent of the damage"; "the full extent of the law"; "to a certain extent she was right"