Wiktionary
n. (context idiomatic usually of a celebrity or leader English) The personal quality of showing understanding of and sympathy for the concerns of ordinary people; rapport with and acceptance by ordinary people.
WordNet
n. the property of appealing to people in general (usually by appearing to have qualities in common with them)
Wikipedia
Common Touch is an album by jazz saxophonist Stanley Turrentine featuring Shirley Scott recorded for the Blue Note label in 1968 and performed by Turrentine with Shirley Scott, Jimmy Ponder, Bob Cranshaw and Leo Morris. The CD reissue added one bonus track recorded in a different session and originally released on Ain't No Way (LT 1095, 1980). The other four tracks from said, out of print LP may be found on the CD reissue of Easy Walker.
Usage examples of "common touch".
This got a rousing ovation from the men, who saw in that decision the common touch of their beloved Peacelord.
We don't have the common touch, you see, and so much of the world does now.
People laughed at them a little, but not too much: they were said to be solid enough, and to have the common touch.
Maybe, though, it had occurred to him because he sensed that some common touch, some ordinary gesture, might have crossed over what lay between him and his son.
On this night there was no humorous small talk, no badinage to remind them that they were mortal and not above the common touch despite their awesome wealth and influence.
Good old Bentall, I thought bitterly, nothing of the common touch about him, whenever he wishes for something it has to be really unattainable.
The low rank gave him the common touch that we both found useful many times.
He never found the common touch that had so endeared his father to the people, but he ruled well and was always after remembered as just.
He was the great ambassador of the Commonwealth, but he had also the common touch.