'To preach up' definitions:

Definition of 'To preach up'

From: GCIDE

Preach \Preach\, v. t.
1. To proclaim by public discourse; to utter in a sermon or a formal religious harangue. [1913 Webster]
That Cristes gospel truly wolde preche. --Chaucer. [1913 Webster]
The Lord hath anointed me to preach good tidings unto the meek. --Isa. lxi. 1. [1913 Webster]
2. To inculcate in public discourse; to urge with earnestness by public teaching. "I have preached righteousness in the great congregation." --Ps. xl. 9. [1913 Webster]
3. To deliver or pronounce; as, to preach a sermon. [1913 Webster]
4. To teach or instruct by preaching; to inform by preaching. [R.] "As ye are preached." --Southey. [1913 Webster]
5. To advise or recommend earnestly. [1913 Webster]
My master preaches patience to him. --Shak. [1913 Webster]
To preach down, to oppress, or humiliate by preaching. --Tennyson.
To preach up, to exalt by preaching; to preach in support of; as, to preach up equality. [1913 Webster]