The Big Dictionary of Dreams

by Martha Clarke
Given its usefulness (as much to sit down as to raise yourself to higher places) despite its small size, this dream announces that you will receive some help that will be very beneficial to you. 

Little Giant Encyclopedia

by Klaus Vollmar
Elevation, as in podium, but also unsafe seat. You need more security, support, and grounding.

Folklore: To sit on a stool is sitting in a place of honor.

My Dream Interpretation

by myjellybean
To dream of a stool suggests that you don’t feel completely comfortable about speaking your mind honestly. Have more faith in yourself.