Begun or initiated under favorable omens; ceremonially commenced with good signs.
Past tense/participle of 'auspicate,' from Latin 'auspicatus.' Used in formal or historical contexts.
This is the past tense of an already-rare verb, so using it marks you as either very scholarly or very pretentious—it's the kind of word that makes people think you're quoting from 18th-century literature.
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