1. considerable (vs. inconsiderable), appreciable, goodly, goodish, healthy, hefty, respectable, sizable, sizeable, tidy, right smart, significant, substantial, large#1, big

usage: large or relatively large in number or amount or extent or degree; "a considerable quantity"; "the economy was a considerable issue in the campaign"; "went to considerable trouble for us"; "spent a considerable amount of time on the problem"

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See also: considerable (Dictionary)