cognoscite
cognoscite is a Latin form of cognosco, meaning “get to know, learn; (perf.) know”. It is the 2nd person plural present active imperative.
Found 94 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 7.38.3: Haec ab ipsis cognoscite, qui ex ipsa caede fugerunt: nam ego fratribus atque omnibus meis propinquis interfectis dolore prohibeor,
All forms of cognosco (conjugation table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.