make compact: P. and V. πηγνύναι.
confirm: P. βεβαιοῦν.
encourage: P. and V. θρασύνειν, θαρσύνειν, P. ἐπιρρωννύναι.
grow fixed: P. and V. πεπηγέναι (2nd perf. act. of πηγνύναι).