📖 Biblical Definition
Federal theology teaches that God relates to humanity through covenant representation. Adam stood as the federal (covenantal) head of all humanity: when he sinned, he sinned as our representative, and his guilt and corruption were imputed to all his descendants. "For as in Adam all die, so also in Christ shall all be made alive" (1 Corinthians 15:22). Christ is the second Adam, the federal head of the elect, whose obedience and righteousness are imputed to all who are in Him. "For as by the one man's disobedience the many were made sinners, so by the one man's obedience the many will be made righteous" (Romans 5:19). This Adam-Christ parallel is the backbone of Paul's soteriology and the organizing principle of redemptive history.
📜 Webster 1828 Definition
Webster 1828 does not contain a combined entry for "federal theology."
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Under FEDERAL, Webster writes: "Pertaining to a league or contract; derived from an agreement or covenant between parties." Under COVENANT: "A mutual consent or agreement of two or more persons, to do or to forbear some act or thing." The theological application of "federal" to Adam's headship was widely understood in New England Reformed circles.
📖 Key Scripture
• Romans 5:12-19 — "Therefore, just as sin came into the world through one man, and death through sin, and so death spread to all men because all sinned."
• 1 Corinthians 15:21-22 — "For as by a man came death, by a man has come also the resurrection of the dead. For as in Adam all die, so also in Christ shall all be made alive."
• 1 Corinthians 15:45-49 — "The first man Adam became a living being; the last Adam became a life-giving spirit."
• Hosea 6:7 — "But like Adam they transgressed the covenant."
⚠️ Modern Corruption
Federal headship has been rejected by individualism and progressive theology.
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Modern Western individualism finds federal headship offensive: the idea that one man's action can determine the spiritual state of another violates the autonomous self. But Paul's argument in Romans 5 is built entirely on this principle. If Adam's sin is not imputed to us, then Christ's righteousness cannot be imputed to us either -- the two stand or fall together. Progressive theology has abandoned both imputation and federal headship, preferring to speak of "solidarity" or "shared human experience" rather than covenantal representation. But these substitutes lack the legal precision Scripture requires. Salvation is not vague solidarity with Jesus; it is the legal imputation of His righteousness to those He represents as their covenant head.
Usage
• "Federal theology explains why all humanity is guilty in Adam and how all the elect are righteous in Christ -- by covenant representation."
• "You cannot accept Christ as the second Adam without first accepting that the first Adam's sin was truly imputed to you."