climb-down

• POS: Noun

CIDE DICTIONARY

climb-down, n. 

 a retraction of a previously held position.  [WordNet 1.5]
"I should hardly yield my rigid fibers to be regenerated by them; nor begin, in my grand climacteric, to squall in their new accents, or to stammer, in my second cradle, the elemental sounds of their barbarous metaphysics."  [1913 Webster]

Grand climacteric or Great climacteric, the sixty-third year of human life.