Synonyms of the word 
DOWN-TO-EARTH → EARTHY - REALISTIC
down-to-earth
- adj. (idiomatic) Practical; realistic; pragmatic.
earthy
- adj. Resembling dirt or soil (i.e. earth).
- adj. Down to earth, not artificial, natural.
- adj. Like or resembling the earth or of the earth.
- adj. Covered with earth (mud, dirt).
realistic
- adj. Expressed or represented as being accurate.
- adj. Relating to the representation of objects, actions or conditions as they actually are or were.
If you are interested in words, visit the following sites :
- wiktionary.org/down-to-earth For complete definition of a word
- 1word.ws/downtoearth to play with words, suffixs, prefixs, etc.