Synonyms for Howling (same or very similar meaning)
WordNet sense 1 (a long loud emotional utterance):
howl, ululationWordNet sense 2 (extraordinarily good; used especially as intensifiers):
fantastic, grand, marvelous, rattling, terrific, tremendous, wonderful, wondrous, marvellousWordNet sense 3 (beyond what is ordinary or usual; highly unusual or exceptional or remarkable):
extraordinaryFrom the ODE community, based on WordNetadd/edit