Synonyms for Overstate:

n.

glorify, overplay, talk up, dignify, play up, idealize. overcharge, blow up out of proportion, lay it on thick, stretch the truth, increase. overstate (noun)
exaggerate, hyperbolize, overdraw, amplify, magnify, hyerbolise.
overstress (noun)
exceed, expand upon, emphasize.

v.

blow up (verb)
exaggerate.
embroider (verb)
hyperbolize, stretch the truth, aggrandize, stretch.
exaggerate (verb)
embellish, overvalue, stretch, distort, caricature, overrate, exaggerate, hyperbolize, Overdevelop, aggrandize, overestimate, overpraise.
magnify (verb)
overdraw, overrate, overcharge, overplay.
misrepresent/misquote (verb)
distort.
overstate (verb)
emphasize, amplify, magnify, overestimate, lay it on thick, play up, embellish.

Other synonyms:

idealize, talk up, dignify, overplay. glorify, play up. overcharge. overdo
overvalue.
overplay
lay it on thick.
Other relevant words:
glorify, amplify, hyerbolise, idealize, dignify, emphasize, overplay, magnify, overcharge, increase, exceed, overdraw, play up, lay it on thick, stretch the truth, blow up out of proportion.

Usage examples for overstate

  1. He, for his part, could not scold or overstate or do anything in a harsh temper. – Recollections and Impressions 1822-1890 by Octavius Brooks Frothingham
  2. You overstate the difference! – The Marriage of William Ashe by Mrs. Humphry Ward