Synonyms of significatory

3 Syllables
giveaway, augural, indicial, diagnostic, ominous, symbolic, telltale, auspicious, prognostic
4 Syllables
testimonial, symptomatic, denotive, expressive, inauspicious, testatory, suggestive, evincive, significant, evidential, emblematic
5 Syllables
apocalyptic, connotative, designative, indicatory, demonstrative, indicative, characteristic, denotative