Plural of eventuation; multiple processes or facts of finally happening; various ultimate outcomes.
From 'eventuation' plus the regular plural suffix '-s.' Standard English nominalization and pluralization.
When a word is already abstract (eventuation), adding '-s' to pluralize it can feel strange—you're making 'abstract-ness' into multiple abstract concepts, which is why we mostly reserve these super-abstract plurals for technical or philosophical writing.
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