Synoniemen: indeed, actually, as a matter of fact, in effect
Pterosaurs, flying reptiles from the time of the dinosaurs, were not driven to extinction by the birds, but in fact they continued to diversify and innovate for millions of years afterwards.
In fact we very seldom do so.
It later became clear that despite the Trump administration’s assertions that the people who needed to know about the decision had been briefed in advance, they, in fact, had not.