The Collaborative International Dictionary
Assentation
Assentation \As`sen*ta"tion\, n. [L. assentatio. See Assent, v.] Insincere, flattering, or obsequious assent; hypocritical or pretended concurrence.
Abject flattery and indiscriminate assentation degrade
as much as indiscriminate contradiction and noisy
debate disgust.
--Ld.
Chesterfield.
Wiktionary
assentation
n. insincere or obsequious assent; hypocritical or pretended concurrence.
Usage examples of "assentation".
It had come to my attention on several occasions that he was making wild and unreasonable assentations in class, and subjecting himself, and with himself the whole faculty of this college, to student ridicule.