KEY: Reckless.
SYN: Careless, heedless, incautious, foolhardy, thoughtless, rash, overventuresome, regardless, inconsiderate, improvident.
ANT: careful, heedful, cautious, timid, chary, thoughtful, calculating, provident, considerate, wary, circumspect.
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KEY: Reckon.
SYN: Compute, calculate, count, regard, estimate, value, account, consider, argue, infer, judge.
ANT: Miscompute, miscalculate, misestimate, misreckon.
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KEY: Reckoning.
SYN: Computation, account, score, bill, charges.