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Related to as to: so as to
On the topic of; regarding. As for my sleep, it's been a bit restless lately. Greg is coming tonight. As for Judy, I'm not sure—she never replied to my invitation.
1. Regarding; with respect to; referring to; apropos of. As to the matter at hand, we must act firmly and without delay.
2. By means of or according to. Please catalogue the entries as to their size in millimeters.
1. According to, as in They were asked to sort the costumes as to color. [Mid-1700s]
2. See as for.