abhorrer, attestant, attestator, attestor, cosignatory, cosigner, endorser, indorser, witness.
accusatory, admonitory, aleatory, allegory, ambulatory, anticipatory, articulatory, auditory, category, celebratory, circulatory, conciliatory, conciliatory, confirmatory, congratulatory, contributory, declaratory, defamatory, depilatory, depository.
regionalists, resignations.
Your query has returned 1186 words, which include anagrams of signatories as well as other shorter words that can be made using the letters included in signatories.
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