1
unforeseeable
1
unintended(adjective, chance, unplanned, unpremeditated)
1
unintentional(adjective, chance, unplanned, unpremeditated)
1
unlooked-for
1
unlucky
1
well(happy, fortunate, opportune, blessed, fluky)
0
encouraging
0
accessible(useful, beneficial, advantageous)
0
accident
0
accidentally
0
accommodating(useful, beneficial, advantageous)
0
amendatory
0
applicable(useful, beneficial, advantageous)
0
beneficent(useful, beneficial, advantageous)
0
benevolent(useful, beneficial, advantageous)
0
bettering(useful, beneficial, advantageous)
0
by chance(expression, chance, unplanned, unpremeditated)
0
coincidence
0
coincidentally
0
comfortable
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). serendipitous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/serendipitous/thesaurus/synonyms
ChicagoSmart Define. 2015. "serendipitous thesaurus" https://smartdefine.org/serendipitous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, serendipitous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/serendipitous/thesaurus/synonyms>.
MLASmart Define. "serendipitous thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/serendipitous/thesaurus/synonyms>