factualize
When you take the words 'fact' and 'actually' and smash them together to make a new word that sounds smart but is just a fancy way of saying 'look at me, I know stuff.'
'Factually, you're wrong,' he said, while holding a single piece of paper with a typo on it.
'Factually, I'm the best,' she said, even though she lost the last three games.
'Factually, I didn’t do it,' he said, while the security camera was right there.