Great man, though Titania was greater (5)

I believe the answer is:

titan

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'great man' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

(Other definitions for titan that I've seen before include "enormous thing" , "Saturn's largest satellite" , "Old Greek god or very strong person" , "Atlas, say" , "Hyperion, for example" .)

I've seen this clue in the Evening Standard.

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