οὗτος ὁ υἱός μου νεκρὸς ἦν καὶ ἀνέζησεν, ἦν ἀπολωλὼς καὶ εὑρέθη → This son of mine was dead and has come back to life. He was lost and he's been found.
Lit. and Met., P. and V. ταράσσειν, συνταράσσειν, σείειν, κινεῖν.
Met., P. and V. κυκᾶν (Plato and Ar.), συγχεῖν, θράσσειν (Plato but rare P.).
be convulsed: P. and V. σφαδάζειν (Xen.), V. σπᾶσθαι.
be convulsed with laughter: use v. laugh.