Synonyms and related words :
blink, blinking, broad hint, clue, coruscate, coruscation, cue, firefly, gentle hint, gesture, glance, gleam, glimmering, glint, glisk, glisten, glister, glitter, glittering, glowworm, hint, implication, index, indication, inkling, innuendo, insinuation, intimation, kick, look, nod, nudge, prompt, scent, scintilla, scintillate, scintillation, shimmer, shimmering, sign, signal, spangle, spark, sparkle, spoor, stroboscopic light, suggestion, suspicion, symptom, telltale, tinsel, track, twinkle, twinkling, whisper, wink