Regarding - Crossword Clue, Answer and Explanation

'regarding' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for about that I've seen before include "On the subject of, approximately" , "'All - - Eve' (film)" , "Engaged in" , "nearby" , "Concerning (something)" .)

I've seen this clue in the LA Times, The New York Times, the Universal, The Star Tribune, the Penny Press and The Telegraph.

'regarding' is the definition.
(archaic term meaning about)

This is all the clue.

(Other definitions for anent that I've seen before include "Concerned with" , "Concerning (archaic)" , "About (Scottish)" .)

I've seen this clue in the LA Times, The New York Times, the Universal, The Star Tribune, the Penny Press and The Telegraph.

(Other definitions for eying that I've seen before include "Looking at with interest" , "Fixated on" , "In the process of close scrutiny" , "Observing" , "Ogling," .)

I've seen this clue in the LA Times, The New York Times, the Universal, The Star Tribune, the Penny Press and The Telegraph.

'regarding' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for asper that I've seen before include "Rough" , "By means of" .)

I've seen this clue in the LA Times, The New York Times, the Universal, The Star Tribune, the Penny Press and The Telegraph.

'regarding' is the definition.
(as to that topic...)

This is the entire clue.

(Another definition for as to that I've seen is " Concerning".)

I've seen this clue in the King Feature Syndicate, the LA Times, the Newsday, The Wall Street Journal, The New York Times, the Universal, The Star Tribune, the Penny Press and the USA Today.

'regarding' is the definition.
(as to that topic...)

This is the entire clue.

(Another definition for asto that I've seen is " about...".)

I've seen this clue in the USA Today and The New York Times.

Regarding (5)