Webster's Revised Unabridged Dictionary · 1913

Declare

Declare (de*klâr") , transitive verb

[French déclarer, from Latin declarare; de + clarare to make clear, clarus, clear, bright. See Clear.]

1.
To make clear; to free from obscurity. [Obsolete]
To declare this a little. — Boyle
2.
To make known by language; to communicate or manifest explicitly and plainly in any way; to exhibit; to publish; to proclaim; to announce.
This day I have begot whom I declare My only Son. — Milton
The heavens declare the glory of God. — Bible (KJV) - Psalm xix. 1
3.
To make declaration of; to assert; to affirm; to set forth; to avow; as, he declares the story to be false.
I the Lord... declare things that are right. — Isa. xlv. 19
4.
(Commerce) To make full statement of, as goods, etc., for the purpose of paying taxes, duties, etc.
Collocations (2)
To declare off , to recede from an agreement, undertaking, contract, etc.; to renounce.
To declare one's self , to avow one's opinion; to show openly what one thinks, or which side he espouses.

Declare , intransitive verb

1.
To make a declaration, or an open and explicit avowal; to proclaim one's self; -- often with for or against; as, victory declares against the allies.
Like fawning courtiers, for success they wait, And then come smiling, and declare for fate. — Dryden
2.
(Law) To state the plaintiff's cause of action at law in a legal form; as, the plaintiff declares in trespass.