Related to that nice Mr. Adair? (7)
I believe the answer is:
kindred
'related to that nice mr adair?' is the definition.
'kindred' can be an answer for 'related' (I've seen this before). I am unsure of the rest of the definition.
'related to that nice mr' is the wordplay.
'related' becomes 'r' (this could be a standard abbreviation I've not previously seen).
'to' means one lot of letters go next to another (I've seen this in other clues).
'that nice' becomes 'kind' (I've seen this before).
'mr' becomes 'ed' (short for edward).
'r' after 'kind' is 'kindr'.
'kindr'+'ed'='KINDRED'
Can you help me to learn more?
(Other definitions for kindred that I've seen before include "Related by blood - having similar qualities" , "[TRIBAL]" , "clan" , "Family - similar" , "Affinity" .)