[1] : The Collaborative International Dictionary of English v.0.48

rationally \ra"tionally\, adv.
   in a rational manner.
   1913 webster

[2] : WordNet (r) 2.0

rationally
     adv : in a rational manner; "we must act rationally" ant: irrationally
see also:
irrationally 

[3] : Moby Thesaurus II by Grady Ward, 1.0

32 moby thesaurus words for "rationally":
   analytically, artfully, astutely, circumspectly, cleverly,
   considerately, cunningly, discerningly, discreetly,
   in all conscience, in all reason, in reason, intelligently,
   judiciously, knowingly, logically, providently, prudently,
   reasonably, sagaciously, sanely, sensibly, shrewdly, smartly,
   soundly, syllogistically, thoughtfully, understandingly, wisely,
   within bounds, within reason, within reasonable limitations

Rationally >> R Words
Rationally, definition of term: Rationally
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