British spelling: the act of making something seem greater or more important, or the increase of someone's power, wealth, or status.
British spelling of 'aggrandizement', from French 'aggrandissement' (greatness, enlargement). Suffix '-ment' creates a noun expressing the result of an action.
The British and Americans spell it differently—'aggrandisement' vs 'aggrandizement'—both from the same French root, showing how language varies across the English-speaking world.
Complete word intelligence in one call. Free tier — 50 lookups/day.