Like the spirit of drama? (6)

I believe the answer is:

blithe

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'like' is the definition.
Both the answer and definition are adjectives. Maybe you can see a link between them that I don't see?

I cannot understand how the remainder of the clue works.

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(Other definitions for blithe that I've seen before include "Light-hearted and good-humoured" , "Merry" , "Shelley: 'Hail to thee . . . . . . spirit! Bird thou never wert'" , "Cheerful and carefree" , "With neither worries nor cares" .)

I've seen this clue in the Evening Standard.

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