Usage examples for pact:

• They both experienced that most seductive of all influences, a secret knowledge and a pact of mutual silence and purpose. "The Judgment House" – Gilbert Parker

• They sealed their pact with a silent embrace. "Nan of Music Mountain" – Frank H. Spearman

• " I am familiar with the articles of war, as detailed in the pact Joe said dryly. "Frigid Fracas" – Dallas McCord Reynolds

• This respect now oppressed Duane because long habit, and the understood pact seemed to bar him from a sympathy and a practical affection which, for the first time, it seemed to him his father might care for. "The Danger Mark" – Robert W. Chambers