exhort
Concise Oxford English Dictionary © 2008 Oxford University Press:
exhort /ɪgˈzɔːt, ɛg-/
▶verb strongly encourage or urge (someone) to do something.
– derivatives
exhortation noun,
exhortative adjective,
exhortatory /-tət(ə)ri/ adjective,
exhorter noun.
exhortation noun,
exhortative adjective,
exhortatory /-tət(ə)ri/ adjective,
exhorter noun.
– origin ME: from OFr. exhorter or L. exhortari, from ex- ‘thoroughly’ + hortari ‘encourage’.
'exhort' also found in these Oxford entries:

