Antonyms for trial-and-error

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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Its use avoids the wastefulness of the trial-and-error method.

How may we recognize this potential teacher without resorting to a clumsy, time-wasting, trial-and-error method?

No trial-and-error, no baby hesitation with hand poised—just a sudden assured, controlled action.

RELATED WORDS AND SYNONYMS FOR TRIAL-AND-ERROR

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.