To remember, recall, or think of something; to come to mind, often used archically.
Old English 'bethencan' from 'be-' plus 'thencan' (to think), originally meaning 'to think thoroughly' or 'to remind oneself.' Related to modern German 'bedenken.'
Shakespeare used 'bethink' frequently—characters would say 'I bethink myself' meaning 'I just remembered'—and it perfectly captures how 'be-' prefix verbs added emphasis and emotional weight to everyday actions.
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