Collocations for civil - adj.

be, remain
become

extremely, fairly, very, etc.
remarkably
perfectly

to
The teachers were all perfectly civil to me.

Civil is used with these nouns:
action, administration, aircraft, attorney, authority, case, ceremony, charge, claim, code, complaint, conflict, contempt, court, damage, defence, disobedience, disorder, disturbance, divorce, engineer, engineering, fine, guard, jurisdiction, jury, justice, law, lawyer, liberty, litigation, marriage, order, partnership, penalty, population, proceedings, registration, right, sanction, servant, service, society, strife, suit, trial, union, unrest, war, wrong