A variation on political correctness, identified by writer Matthew Parris, who said that those on the right, like him, had their own version of PC. Thus, people who were being PS would say Aids even when its use was incorrect, they would say country pursuits instead of blood sports, and would always say chairman instead of chair or chairperson. http://news.bbc.co.uk/hi/english/uk/newsid_1717000/1717136.stm Example: Whatever else she may be, conservative or liberal, this pseudodictionary editor will be politically sound.
POLITICALLY SOUND
Meaning of POLITICALLY SOUND in English
Slang English vocab. Английский сленговый словарь. 2012