auspicious

Definitions:

Having omens of success, or favourable appearances; prosperous; fortunate; propitious.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
Prosperous; lucky; fortunate; favourable.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)
Ominous of good; fortunate.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)
AUSPICIOUSLY.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adverb) (adv.) (adverb)
AUSPICIOUSNESS.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Having promise of success or happiness; favorable; fortunate; prosperous.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
Having good auspices or omens of success: favorable: fortunate.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)

Usage examples:

The hunting with the Brake hounds was now over for the season,- had indeed been brought to an auspicious end three weeks since,- and such gentlemen as Thomas Spooner had time on their hands to look about their other concerns.
- Phineas Redux by Anthony Trollope
It was an auspicious moment and the heart of McElroy throbbed with a savage pleasure, but suddenly he felt other hands disputing his grip on the astonished Indian, who was raining blows upon him having dropped his gun in the first shock.
- The Maid of the Whispering Hills by Vingie E. Roe
Where the principal Olema stationed themselves, the crowd was thicker; and in the more auspicious spots nought was to be seen but a pavement of heads and shoulders.
- Personal Narrative of a Pilgrimage to Al-Madinah & Meccah by Sir Richard Francis Burton