down to earth 
adjective
With no illusions or pretensions; practical and realistic: a down-to-earth view of marriage...
- It doesn't actually matter how practical and down-to-earth a mother might be.
- We're not big, really, but I'm so glad to have Vince, because he's down-to-earth and realistic.
- It is tough going but the tutors are excellent - good, practical and down-to-earth.
Synonyms
practical, sensible, realistic, matter-of-fact, responsible, full of common sense, reasonable, rational, logical, sound, balanced, sober, no-nonsense, pragmatic, level-headed, serious-minded, businesslike, commonsensical, hard-headed, sane, mundane, unromantic, unidealistic
Derivatives
down-to-earthness
- She decided to play - she decided there was something about her personality that felt quite close to her, maybe a down-to-earthness and a simplicity.
- Like all great music, Beatles songs give voice to an intense sense of possibility and do so with an economy, a down-to-earthness and a wryness that remain wonderfully invigorating.
- It is also delivered with an awful lot of charisma, passion and down-to-earthness.