say it: RASH-uh-nuh-lee
rationally is an adverb meaning "in a rational manner". It is pronounced /ˈɹæʃənəli/ — RASH-uh-nuh-lee. It carries one recorded sense.
Definitions, synonyms and semantic relations for rationally come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.