LUCKILY
fortunately, fortuitously, luckily, as luck would have it
(adverb) by good fortune; “fortunately the weather was good”
Source: WordNet® 3.1
Etymology
Adverb
luckily (comparative more luckily, superlative most luckily)
In a lucky manner; by good fortune; fortunately.
Antonyms
• unfortunately
• unluckily
Source: Wiktionary
Luck"i*ly, adv. Etym: [From Lucky.]
Definition: In a lucky manner; by good fortune; fortunately; -- used in a
good sense; as, they luckily escaped injury.
LUCKY
Luck"y, a. [Compar. Luckier; superl. Luckiest.]
1. Favored by luck; fortunate; meeting with good success or good
fortune; -- said of persons; as, a lucky adventurer. " Lucky wight."
Spenser.
2. Producing, or resulting in, good by chance, or unexpectedly;
favorable; auspicious; fortunate; as, a lucky mistake; a lucky cast;
a lucky hour.
We doubt not of a fair and lucky war. Shak.
Syn.
– Successful; fortunate; prosperous; auspicious.
Source: Webster’s Unabridged Dictionary 1913 Edition