(used to introduce a logical conclusion) from that fact or reason or as a result; "therefore X must be true"; "the eggs were fresh and hence satisfactory"; "we were young and thence optimistic"; "it is late and thus we must go"; "the witness is biased and so cannot be trusted"
conduct an inquiry or investigation of; "The district attorney's office investigated reports of possible irregularities"; "inquire into the disappearance of the rich old lady"
investigate scientifically; "Let's investigate the syntax of Chinese"
lacking in harmony or compatibility or appropriateness; "a plan incongruous with reason"; "incongruous behavior"; "a joke that was incongruous with polite conversation"
to a moderately sufficient extent or degree; "the shoes are priced reasonably"; "he is fairly clever with computers"; "they lived comfortably within reason"
remove irrational quantities from; "This function can be rationalized"
think rationally; employ logic or reason; "When one wonders why one is doing certain things, one should rationalize"
structure and run according to rational or scientific principles in order to achieve desired results; "We rationalized the factory's production and raised profits"