| Corroborative 1. (a.) Tending to strengthen of confirm. 2. (n.) A medicine that strengthens; a corroborant. Thesaurus Entries advocating, approving, back of, backing, bearing, behind, bolstering, bracing, burdened, buttressing, carrying, confirmative, confirmatory, confirming, corroborating, corroborative, corroboratory, favorable, favoring, holding, in support of, maintaining, pro, propping, shoring, substantiating, supportive, suspensory, sustaining, sustentative, upholding, verificative, verifying, well-disposed, well-inclined |