Placid Definitions: (1) possessing a gentle, quiet spirit; showing an undisturbed or equable demeanor; mild mannered; (2) peace of mind; serene; unruffled; calm; tranquil Derivation: Latin, “to please” Related Articles: Glossary: GentlenessGlossary: OpportunisticGlossary: OpportunityGlossary: CalmGlossary: Quiet