oportere

oportere is a Latin form of oportet, meaning “it is necessary, one ought”. It is the present active infinitive.

Found 519 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Gallico 1.34.2: Ei legationi Ariovistus respondit: si quid ipsi a Caesare opus esset, sese ad eum venturum fuisse; si quid ille se velit, illum ad se venire oportere.

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.