Crossword Genius

Suggest a romantic dinner to hero who left South Korea in a tizz (3,3)

Ross

I believe the answer is:

ask out

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'suggest' is the definition.
Although both the answer and definition are verbs in their base form, I cannot understand how they can define each other.

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for ask out that I've seen before include "Request a date" , "Informally, Invite on date" .)

I've seen this clue in the Sydney Morning Herald.
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