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Webster 1828 Edition

adv.

With favorable omens; happily; prosperously; favorably; propitiously.

auspiciously ‎(comparative more auspiciously, superlative most auspiciously)

in an auspicious way

Italian: sotto i migliori auspici
Russian: благоприя́тно (ru) ‎(blagoprijátno), благополу́чно (ru) ‎(blagopolúčno)