1.  approbate(v = verb.communication) - approve or sanction officially;
is one way to authorise, authorize, clear, pass
Derived forms noun approbation₂, noun approbation₁, noun approval₁, noun approval₄, noun approval₃
Sample sentences: Somebody ----s something

2.  approbate(v = verb.cognition) - accept (documents) as valid;
is one way to accept
Antonym: reprobate
Derived forms noun approbation₂, noun approbation₁
Sample sentences: Somebody ----s something

   Approved. Elyot. [1913 Webster]

   To express approbation of; to approve; to sanction officially. [1913 Webster]
" This word is obsolete in England, but is occasionally heard in the United States, chiefly in a technical sense for license; as, a person is approbated to preach; approbated to keep a public house." Pickering (1816). [1913 Webster]
"I approbate the one, I reprobate the other." [1913 Webster]

approbate, v.tr. US approve formally; sanction.

Etymology:
ME f. L approbare (as AD-, probare test f. probus good)

VB  approve, approbate, think good, think much of, think well of, think highly of, esteem, value, prize, set great store by, set great store on, do justice to, appreciate, honor, hold in esteem, look up to, admire, like, be in favor of, wish Godspeed, hail, hail with satisfaction, stand up for, stick up for, uphold, hold up, countenance, sanction, clap on the back, pat on the back, keep in countenance, indorse, give credit, recommend, mark with a white mark, mark with a stone, commend, belaud, praise, laud, compliment, pay a tribute, bepraise, clap the hands, applaud, cheer, acclamate, encore, panegyrize, eulogize, cry up, proner, puff, extol, extol to the skies, magnify, glorify, exalt, swell, make much of, flatter, bless, give a blessing to, have a good word for, say a good word for, speak well of, speak highly of, speak in high terms of, sing the praises of, sound the praises of, chaunt the praises of, resound the praises of, sing praises to, cheer to the echo, applaud to the echo, applaud to the very echo, cheer to the very echo, redound to the honor, redound to the praise, redound to the credit of, do credit to, deserve praise, recommend itself, pass muster, be praised, receive honorable mention, be in favor with, be in high favor with, ring with the praises of, win golden opinions, gain credit, find favor with, stand well in the opinion of, laudari a laudato viro.