different between justification vs efficacy

English

Etymology

Borrowed from Middle French justification, from Late Latin iustificationem, justificationem < iustificatio, from iustifico, from Latin iustus.

Pronunciation

• IPA^(key): /?d??st?f??ke???n/
• Rhymes: -e???n

Noun

justification (countable and uncountable, plural justifications)

1. (countable) A reason, explanation, or excuse which provides convincing, morally acceptable support for behavior or for a belief or occurrence.
2. (Christianity, uncountable) The forgiveness of sin.
   • 1999, Joint Declaration on the Doctrine of Justification:

     […] to articulate a common understanding of our justification by God’s grace through faith in Christ.

3. (typography, uncountable) The alignment of text to the left margin (left justification), the right margin (right justification), or both margins (full justification).

Antonyms

• conviction
• condemnation

Derived terms

• self-justification

Related terms

• justify
• acquittal
• exculpation

Translations

French

Etymology

From Old French, borrowed from Late Latin iustificationem, justificationem < iustificatio, from iustifico, from Latin iustus.

Pronunciation

• IPA^(key): /?ys.ti.fi.ka.sj??/

Noun

justification f (plural justifications)

1. justification (reason, excuse, etc.)

Related terms

• justifier

Further reading

• “justification” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Middle French

Etymology

From Old French, borrowed from Late Latin iustificationem, justificationem.

Noun

justification f (plural justifications)

1. justification (all senses)

Descendants

• ? English: justification
• French: justification

English

Etymology

From Old French efficace, from Late Latin effic?cia (“efficacy”), from effic?x (“efficacious”); see efficacious.

Pronunciation

• IPA^(key): /??f.?.k?.si/

Noun

efficacy (usually uncountable, plural efficacies)

1. Ability to produce a desired effect under ideal testing conditions.
   • 2005, Flay et al. Standards of Evidence: Criteria for Efficacy, Effectiveness and Dissemination DOI: 10.1007/s11121-005-5553-y

     Efficacy refers to the beneficial effects of a program or policy under optimal conditions of delivery, whereas effectiveness refers to effects of a program or policy under more real-world conditions.

2. Degree of ability to produce a desired effect.
   • 1996, Moskovich, Patent application PCT/US1996/003658

     Toothbrush with improved efficacy

Synonyms

• efficacity

Related terms

Translations

Further reading

• efficacy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• efficacy in The Century Dictionary, New York, N.Y.: The Century Co., 1911.