Sweeten : make or become sweet or sweeter, especially in taste.Stare : look fixedly or vacantly at someone or something with one's eyes wide open.Perspire : give out sweat through the pores of the skin as a result of heat, physical exertion, or stress.Swallow : cause or allow (something, especially food or drink) to pass down the throat.Gawk : stare openly and stupidly.Synonym of Gawk is Stare