Used metaphorically in modern contexts to denote someone influential, not necessarily nobility. In the tech world, he's considered a grandee for his pioneering work.
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Figurative Influence
Often suggests respect due to the person's experience or contributions in a specific field. At the convention, the grandee of science fiction authors was given the highest award.
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Not Royalty
'Grandee' doesn't mean royalty but is still a mark of high status or accomplishment. The industry grandee was invited to advise the government on trade policies.