even-tempered russian

• ро́вный

  smooth even or flat

  even straight without bends

  even-tempered

• уравнове́шенный

  steady, balanced, even-tempered

• ура́вненный

  equalized, leveled, balanced

  even-tempered, balanced, composed, calm

• уравнове́сившийся

  balanced, composed, even-tempered, stable