cogency Synonyms

rigour rigor validity working over believability astuteness weight validness tumidity strength stinger soundness smasher significance longsightedness powerfulness forcefulness winning over valid reason reasonable evidence powerful argument potent argument good argument argument of great weight oral skills rigors power pack persuasiveness forces effectuality robustness pertinence relevance defensibility credibility convincingness conviction connection conclusiveness concision concern clincher beneficialness bearing authority armipotence effect effectiveness punch puissance