8
blessed(adjective, good, happy, happiness, joy)
8
unintentional(adjective, chance, planned, intention, haphazard)
7
chancy(adjective, good, happy, happiness, joy)
7
favorable(adjective, good, happy, happiness, joy)
7
uncaused(adjective, chance 2)
7
unintended(adjective, chance, intention, unplanned, unintentional)
6
aleatory(adjective, accidental, unintended)
6
arbitrary(adjective, lucky, accidental)
6
auspicious(adjective, strong, appropriate, happy, fortunate)
6
felicitous(adjective, good, happy, happiness, joy)
6
unpremeditated(adjective, chance, casual, intention, random)
5
adscititious
5
advantageous(adjective, strong, appropriate, happy, fortunate)
5
aimless(adjective, chance, casual, random, haphazard)
5
circumstantial(adjective, incidental)
5
coincidental(adjective, chance, secondary, subsidiary, indirect)
5
inadvertent(adjective, surprise, unplanned, unintentional, accidental)
5
propitious(adjective, appropriate, happy, fortunate, fitting)
5
unpredictable(adjective, extraordinary, wonderful, shocking, erratic)
4
eye-opening(adjective, amazing, astonishing, astounding, dumbfounding)
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APASmart Define. (2015). fortuitous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fortuitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortuitous thesaurus" https://smartdefine.org/fortuitous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fortuitous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fortuitous/thesaurus/synonyms>.
MLASmart Define. "fortuitous thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/fortuitous/thesaurus/synonyms>