having a reasonable basis for belief or acceptance
affording reasonable grounds for belief or acceptance
presumptive详细解释
pre.sump.tive adj.（形容词）Providing a reasonable basis for belief or acceptance.佐证的：为相信或接受而提供合理的证据的Founded on probability or presumption.假定的，设想的：以可能性或假设为根据的 【引伸】 presump.tively adv.（副词）
