15
luckily(adverb, misfortune, happily, fortunately, accidentally)
13
fortunately(adverb, misfortune, happily, fortunately, accidentally)
7
by chance(expression, adjective, idiom, adverb, intention)
6
as luck would have it(adverb, happily, luck)
5
haphazardly(adjective, adverb, accidentally)
5
incidentally
5
randomly(adverb, intention, accidentally)
4
accidentally(adverb, accidentally)
4
adventitiously(adverb, accidentally)
4
unintentionally(adjective, adverb, intention, fortunately, luckily)
3
auspiciously(adverb, misfortune, fortunately)
3
casually(adverb, intention)
3
causelessly(adverb, accidentally)
3
happily(adverb, misfortune)
3
propitiously(adverb, misfortune, fortunately)
2
coincidentally
2
contingently
2
occasionally
2
providentially(adverb, misfortune)
2
random
11 years ago|3.5k views|share |citing 
APASmart Define. (2015). fortuitously thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fortuitously/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortuitously thesaurus" https://smartdefine.org/fortuitously/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fortuitously thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fortuitously/thesaurus/synonyms>.
MLASmart Define. "fortuitously thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fortuitously/thesaurus/synonyms>