Meaning of suitably depressed

Test No. [color=blue]incompl/inter-86 “Simple Present (3)”, question 3

Everyone in the pub looks depressed at this remark and begins to think of all the price increases that will follow.

(a) ideally
(b) conveniently
© suitably
(d) easily

Test No. [color=blue]incompl/inter-86 “Simple Present (3)”, answer 3

Everyone in the pub looks suitably depressed at this remark and begins to think of all the price increases that will follow.

Correct answer: © suitably

Your answer was: [color=red]incorrect
Everyone in the pub looks easily depressed at this remark and begins to think of all the price increases that will follow.
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what is the meaning of "suitably depressed?

They all looked miserable, which was appropriate/suitable to the news that they had been given. In other words it means depressed/unhappy in line with what you would expect.

They had been given, right?

Yes, typo now corrected.