A wise person or spiritual teacher; someone of gravity and wisdom, especially, a teacher venerable for years, and of sound judgment and prudence; a grave or stoic philosopher.

White lies or half-lies in Russian culture, told without the intention of (maliciously) deceiving, but as a fantasy, suppressing unpleasant parts of the truth.

(figuratively) Remote from actual involvement, including a person retired from previously active involvement.

(inorganic chemistry) Any anion containing ten borate groups; any salt containing such an anion