Similar word to selfsuggestion:

allusion, association, autosuggestion, breath, clue, connotation, cue, indication, inkling, innuendo, insinuation, intimation, notion, overtone, reminder, self-suggestion, shade, signification, smack, soupçon, strain, suspicion, symbol, symbolism, symbolization, symbology, telltale, thought, tinge, trace, undertone, vein, whisper, wind