παραθαρσύνειν
From LSJ
ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν → love your neighbor as yourself, thou shalt love thy neighbour as thyself, love thy neighbour as thyself
Greek > English (Woodhouse Verbs Reversed)
(see also παραθαρσύνω): cheer, embolden, encourage
Lexicon Thucydideum
confirmare, to strengthen, 4.115.1, 5.4.6, 5.8.5, 7.2.1, 8.77.1.