fient
fient is a Latin form of fio, meaning “become, be made; happen”. It is the 3rd person plural future active indicative.
Found 53 times in the Latin texts on Socratos.
Where it is used
Cicero, Pro S. Roscio Amerino 91: … , interficere non possent; nam, dum hominum genus erit, qui accuset eos non deerit; dum civitas erit, iudicia fient. verum, ut coepi dicere, et Erucius, haec si haberet in causa quae commemoravi, posset ea quamvis diu dicere, …
Terence, Phormio 4.4.711c: Fient: me vide.
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.