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WordNet
convergent thinking

n. thinking that brings together information focussed on solving a problem (especially solving problems that have a single correct solution) [ant: divergent thinking]

Wikipedia
Convergent thinking

Convergent thinking is a term coined by Joy Paul Guilford as the opposite of divergent thinking. It generally means the ability to give the "correct" answer to standard questions that do not require significant creativity, for instance in most tasks in school and on standardized multiple-choice tests for intelligence.