Term: first lady: the wife of a chief executive
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: silver birch: European birch with silvery white peeling bark and markedly drooping branches
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: ossification: hardened conventionality
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: catch: a cooperative game in which a ball is passed back and forth
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: european cuckoo: common cuckoo of Europe having a distinctive two-note call; lays eggs in the nests of other birds
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: pax romana: the Roman peace; the long period of peace enforced on states in the Roman Empire
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: brickyard: a place where bricks are made and sold
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: revisionism: any dangerous departure from the teachings of Marx
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: knowing: a clear and certain mental apprehension
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: incaution: the trait of forgetting or ignoring possible danger
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: marine: a soldier who serves both on shipboard and on land