Like the look of a person dreaming of a vacation? (7)

I believe the answer is:

faraway

I'm a little stuck... Click here to teach me more about this clue!

'dreaming of a vacation?' is the definition.
'faraway' can be an answer for 'dreaming' (thesaurus). I am not certain of the 'of a vacation?' bit.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for faraway that I've seen before include "Remote" , "at a distance" .)

I've seen this clue in the Evening Standard.

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