sift, v. [bolt], cribble, [riddle]; [investigate].
sifting, n. bolting; (Pharm.) cribration; [investigation].
sigh, n. suspiration.--v. suspire.
sight, n. [vision]; [seeing], [view], [perception]; visibility; [spectacle], phenomenon, panorama, vista, gapeseed, cynosure; (Colloq.) great [number], [many], [multitude], great [quantity]. Associated words: optics, optical, optic, ocular, optician, caligo, astigmatism, perimeter, perimetry, amaurosis, visual, visualize, [apparition].
sightly, a. [comely], [attractive], handsome.
sign, n. [omen], auspice, portent, prodigy, prognostic, [augury], [foretoken], [presage]; [mark], [token], [indication], [symptom], index, emblem, symbol; [trace], [vestige], ensign, [signal], [beacon]; [gesture], [motion]; [signature]. Associated words: [ominous], [portentous], augurial, semeiology, semeiological, sematology, semiotic, semeiography.
sign, v. [signify], [mark], [indicate], [betoken]; subscribe.
signal, n. [sign], ensign, [beacon]. Associated word: pharology.
signal, a. memorable, [remarkable], [noticeable], [notable].
signature, n. autograph, sign-manual. Associated word: signatory.