Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb think_up
1 sense of think up
Sense 1
think up, think of, dream up, hatch, concoct -- (devise or invent; "He thought up a plan to get rich quickly"; "no-one had ever thought of such a clever piece of software")
=> create by mental act, create mentally -- (create mentally and abstractly rather than with one's hands)