This was the first tangible sign that this thing was winding down.
Times, Sunday Times
Yet up until a month ago his eight-month tenure was showing tangible signs of success.
Times,Sunday Times
There were also tangible signs of progress.
Smithsonian
A time limit should have been placed on the talks (if any were actually under way) and, without tangible signs of progress, the secrecy of the blackout lifted.
Times, Sunday Times
There are other less tangible signs of improved confidence as well.
Times, Sunday Times