Synonyms for Monition (same or very similar meaning)
WordNet sense 1 (a firm rebuke):
admonishment, admonition
WordNet sense 2 (cautionary advice about something imminent (especially imminent danger)):
warning, word of advice
WordNet sense 3 (a summons issued after the filing of a libel or claim directing all parties concerned to show cause why the judgment asked for should not be granted):
process of monition
From the ODE community, based on WordNet
add/edit