how; in what way; how about
questionable
「如何」 has another reading with different meanings.
(depending on) how; (depending on) what; nature (of)
お茶はいかがですか。
Would you like some tea?
ご気分はいかがでしょうか。
How are you feeling?
こちらの商品はいかがでしょうか、お客様。
How about this product, dear customer?