studied
From LSJ
adj.
Use P. ἐκ παρασκευῆς, Ar. and P. ἐπίτηδες.
They shedding tears with studied purpose: οἱ δʼ ἐκβαλόντες δάκρυα ποιητῷ τρόπῳ (Eur., Hel. 1547).
Assuming a studied look to hide his knowledge of the disaster: P. ἀδήλως τῇ ὄψει πλασάμενος πρὸς τὴν συμφοράν (Thuc. 6, 58).