father's, of one's father, paternal
fatherly, paternal
Он говорил с сыном отеческим тоном.
He spoke to his son in a fatherly tone.
Учитель проявил отеческую заботу о детях.
The teacher showed fatherly concern for the children.
Отеческий совет помог ему принять решение.
His fatherly advice helped him make a decision.