"Tacit acknowledgment" refers to an acknowledgment or recognition of something without expressing it directly in words. It is when people or parties understand or accept something without explicitly stating it. Full definition
It may also be interpreted as tacit acknowledgment of the intimacy between photographer and subject. (sfmoma.org)
Cumming delivers his lines with a grimace appropriate to his character, but it is ironic because it almost serves as tacit acknowledgment that he is being underutilized. (screenpicks.com)
BMW says the gasoline engine exclusively drives the front wheels, while the electric motor provides power to the rear — the first tacit acknowledgment that non-hybrid versions of its new MPV running conventional engines will come standard with front - wheel drive. (autoweek.com)