even-tempered | meaning of even-tempered in Longman Dictionary of Contemporary English | LDOCE

From Longman Dictionary of Contemporary Englisheven-temperedˌeven-ˈtempered adjective    CALMsomeone who is even-tempered is calm and does not easily become angry SYN placidExamples from the Corpuseven-tempered• They will stay even-tempered from morning to night.• Charles had been Lord of the Scaffold since 1699, contemporaries describing him as a gentle and even-tempered man.