tension Antonyms

relaxation slackness solacement solution subduement sureness tranquillity tranquilness treaty unconcern slack serenity self-trust reliance relief repose reprieve respite rest sang-froid self-confidence self-possession union valiancy tranquility imperturbableness peacekeeping installment plan easygoingness presence of mind restfulness self-assuredness sigh of relief via media imperturbability breathing spell motionlessness peacefulness stand-down contentedness modus vivendi flexibleness liberalisation self-assurance comfort station rest stop absence of anxiety reassurance abeyancy be-all