Able to be predicted or known in advance; capable of being foretold about future events.
From fore- (before) + tell + -able (capable of). The word combines the prefix fore- meaning 'before' with the verb 'tell' and the suffix -able meaning 'capable of being,' creating a word describing something predictable.
This word shows how English loves stacking prefixes and suffixes to make new meanings—'foretellable' basically means 'predictable,' but it sounds much more formal and dramatic, which is why fortune tellers might prefer it over simpler words.
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