Called out to someone to greet them or get their attention; or praised someone enthusiastically as something great.
Hailed comes from Old Norse 'heil' meaning 'health' or 'whole,' used as a greeting. To 'hail' meant 'to wish health to' and evolved into 'to greet' and then 'to praise.'
'Hail' is the same word used by Vikings to greet each other—it survives in phrases like 'Hail Caesar!' which shows how ancient greetings embedded themselves in how we show respect and praise.
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