expostulate (v.) Look up expostulate at Dictionary.com
1530s, "to demand, to claim," from Latin expostulatus, past participle of expostulare "to demand urgently, remonstrate," from ex- "from" (see ex-) + postulare "to demand" (see postulate (v.)). Friendlier sense is first recorded in English 1570s. Related: Expostulated; expostulating.