Synonyms for Sensationalism (same or very similar meaning)
WordNet sense 1 (the journalistic use of subject matter that appeals to vulgar tastes):
luridness
WordNet sense 2 ((philosophy) the ethical doctrine that feeling is the only criterion for what is good):
sensualism
WordNet sense 3 ((philosophy) the doctrine that knowledge derives from experience):
empiricism, empiricist philosophy
From the ODE community, based on WordNet
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