conclusive
adj.
1610s, "occurring at the end," from French conclusif, from Late Latin conclusivus, from conclus-, past participle stem of concludere (see conclude). Meaning "definitive, decisive, convincing" (putting an end to debate) is from 1640s. Related: Conclusiveness.
〔蒋〕[clud=close，shut关闭（clud也作clus），-ive形容词后缀，…的] 结论的，总结性的，最后的
〔李〕[conclude的对应形容词