Chapter Augury to Azure of A by Soule's Synonymes

2. Severe, rigid, strict, formal, stiff, rigorous, harsh, stern, difficult, hard, uncompromising, unrelenting, relentless, ascetic, straight-laced.

Austerity, n. Severity, rigor, sternness, harshness, asceticism, rigidity, rigidness, strictness, formality, stiffness, inflexibility.

Authentic, a.

1. Genuine, real, true, veritable, pure, uncorrupted, unadulterated, not false, not spurious, not fictitious, not apocryphal, what it purports to be.

2. Trustworthy, reliable, authoritative, veritable, true, accurate, according to the facts, accordant with fact, not garbled, not tampered with, from competent and trustworthy sources, from the original data, that cannot be questioned, of approved authority, to be depended on, worthy of belief.

Authenticate, v. a. Verify, seal, attest, give credit or validity to, prove to be genuine.

Authentication, n. Verification, attestation, seal, confirmation.

Authenticity, n.

1. Genuineness.

2. Trustworthiness. See authentic, 1 and 2.

Author, n.

1. Originator, first cause, original, maker, creator, father, former, contriver, inventor.

2. Writer, composer.

Authoritative, a.

1. Official, commanding, imperative, by authority, ex cathedra.

2. Dictatorial, imperious, magisterial, oracular, peremptory, dogmatic. See arrogant.

Authorities, n. pl.

1. Magistrates, rulers, the government, officials, persons in office.

2. Precedents, decisions, judgments.

3. Persons cited as vouchers, commanding scholars or men of science.