PROGESTATIONAL

\pɹə͡ʊd͡ʒˈɛstˈe͡ɪʃənə͡l], \pɹə‍ʊd‍ʒˈɛstˈe‍ɪʃənə‍l], \p_ɹ_əʊ_dʒ_ˈɛ_s_t_ˈeɪ_ʃ_ə_n_əl]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd