certifiably

in actual fact this is certifiably the worst pizza I've ever had Synonyms actually, authentically, very, genuinely, really, truly, veritablyRelated Words accurately, exactly, just, precisely, right, sharp, smack-dab, squarely; almost, nearly, practically, virtually; literally, positively, simplyNear Antonyms apparently, ostensibly, outwardly, plausibly, seeminglyAntonyms professedly, supposedly