γευστέον
From LSJ
Ποιητὴς, ὁπόταν ἐν τῷ τρίποδι τῆς Μούσης καθίζηται, τότε οὐκ ἔμφρων ἐστίν → Whenever a poet is seated on the Muses' tripod, he is not in his senses
English (LSJ)
A one must make to taste, τινὰ αἵματος Pl.R.537a.
Greek (Liddell-Scott)
γευστέον: ῥημ. ἐπίθ. τοῦ γεύω, καὶ γεύομαι, τινά τινος Πλάτ. Πολιτ. 537A.
Spanish (DGE)
hay que hacer probar fig., c. gen. τοὺς παῖδας ... αἵματος e.d. sentir la violencia de la guerra, Pl.R.537a.