κοινὸν τύχη, γνώμη δὲ τῶν κεκτημένων → good luck is anyone's, judgment belongs only to those who possess it
subs.
Assembly: P. and V. σύλλογος, ὁ, σύνοδος, ἡ.
For a religious object; P. and V. πανήγυρις. ἡ.
Agreement: P. and V. σύμβασις, ἡ, συνθῆκαι, αἱ, σύνθημα, τό, P. ὁμολογία, ἡ.
As opposed to nature: P. συνθήκη, ἡ, νόμος, ὁ (Plat., Gorg. 483A).