- causa – case, case at law, cause, condition, interest, law, motive, pretext, reason, situation
- causa latet, vis est notissima – The cause is hidden, but the result is well known.
- causa mortis – cause of death
- donatio mortis causa – giving in expectation of death
- ens causa sui – existing because of oneself
- Ex turpi causa non oritur actio – From a dishonorable cause an action does not arise
- felix qui potuit rerum cognoscere causas – happy is he who can discover the causes of things
- ficta voluptatis causa sint proxima veris – fictions meant to please should approximate the truth
- honoris causa – for the sake of honor
- metri causa – for the sake of the meter
- nemo iudex in causa sua – no man shall be a judge in his own cause
- non causa pro causa – not the cause for the cause
- pretiumque et causa laboris – The prize and the cause of our labour
- propter vitam vivendi perdere causas – to destroy the reasons for living for the sake of life
- rerum cognoscere causas – to learn the causes of things
- vera causa – true cause
- victrix causa diis placuit sed victa Catoni – the victorious cause pleased the gods, but the conquered cause pleased Cato