24 synonyms for somewhat such as a little bit, (up) to a point, and a bit. Somewhat is an adverb, and its antonyms are massively and hugely.
(up) to a point, a bit, a little, a little bit, a shade, comparatively, fairly, in some measure, ish, kind of, marginally, moderately, quite, rather, relatively, slightly, some, sort of, to a certain degree, to a limited extent/degree, to some degree, to some extent, and within limits.