suspicion
1 bad vibes (slang) chariness, distrust, doubt, dubiety, funny feeling (informal) jealousy, lack of confidence, misgiving, mistrust, qualm, scepticism, wariness
2 above suspicion above reproach
3 conjecture, guess, gut feeling (informal) hunch, idea, impression, notion, supposition, surmise
4 glimmer, hint, shade, shadow, soupçon, strain, streak, suggestion, tinge, touch, trace