I have preached
basar (baw-sar')
to be fresh, i.e. full (rosy, (figuratively) cheerful); to announce (glad news) -- messenger, preach, publish, shew forth, (bear, bring, carry, preach, good, tell good) tidings.
righteousness
tsedeq (tseh'-dek)
the right (natural, moral or legal); also (abstractly) equity or (figuratively) prosperity -- even, (that which is altogether) just(-ice), (un-)right(-eous) (cause, -ly, -ness).
in the great
rab (rab)
abundant (in quantity, size, age, number, rank, quality)
congregation
qahal (kaw-hawl')
assemblage (usually concretely) -- assembly, company, congregation, multitude.
lo I have not refrained
kala' (kaw-law')
to restrict, by act (hold back or in) or word (prohibit) -- finish, forbid, keep (back), refrain, restrain, retain, shut up, be stayed, withhold.
my lips
saphah (saw-faw')
the lip (as a natural boundary); by implication, language; by analogy, a margin (of a vessel, water, cloth, etc.)
O LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
thou knowest
yada` (yaw-dah')
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially