the GNU version of the Collaborative International Dictionary of English
adj. Balancing; moving like a balance, as it tends to an equipoise or level.
The Century Dictionary and Cyclopedia
Balancing; moving like a balance as it tends to become stationary; oscillating.
Word Usage
"The band, who identify as libratory socialists, said at first they thought Chavez was just a populist who knew how to talk, as a result of the media in Spain."