Synonyms to serendipity

accident, accessary, accessory, accidental, addendum, addition, adjunct, adventure, appendage, appurtenance, auxiliary, blow, blunder, calamity, casualty, cataclysm, catastrophe, chance, chance hit, collateral, collision, coming to be, contingency, contingent, contretemps, crack-up, crash, destiny, disaster, event, eventuality, eventuation, extra, fate, fluke, fortuity, fortune, freak accident, grief, hap, happening, happenstance, hazard, ill hap, incidence, incidental, inessential, kismet, long odds, long shot, luck, lucky shot, materialization, mere chance, misadventure, mischance, misfortune, mishap, mistake, nasty blow, nonessential, not-self, other, pileup, realization, secondary, shipwreck, shock, smash, smashup, staggering blow, subsidiary, superaddition, supplement, tragedy, unessential, wreck, good luck, accidentality, actuarial calculation, adventitiousness, blessing, break, casualness, felicity, flukiness, fortuitousness, fortunateness, gamble, good fortune, happy chance, happy fortune, heedless hap, how they fall, indetermin