Green’s Dictionary of Slang

(US) to get along; to endure; to work out, understand; often in joc. query ‘How does your corporosity sagaciate?’, i.e. ’how are you?’.

1832		Boston Transcript 2 Aug. 2/3: Well, Clem, how do you sagatiate dis lubly wedder? [DA].
1835		N.Y. Transcript 16 Nov. 2/1: This ruse would not ‘sagaciate’.
1843		in N.E. Eliason Tarheel Talk (1956) 266: [...] how does your corporosity seem to sagaciate.
1857		Bedford Gaz. (PA) 6 Nov. 1/6: Gumbo— ‘Is yer good at spellin, Buck?’ Buck— ‘Well, darkey, sagaciate; what de interrogatory?’.
1875		Hartford Herald (KY) 3 Nov. 1/6: ‘How are you, Mr Dash?’ ‘Bully! How does your corporosity seem to sagaciate this morning?’.
1882		Yorkville Enquirer (SC) 16 Feb.4/1: ‘This yere is a counterfeit, Sam’ [...] ‘I know [...] If it had been a good one I should have had use of it.’ ‘’Pears as if you don’t sagaciate much, Jim!’.
1890		Journal of Amer. Folklore III Dec. 311: Sagatiate, [...] came into use here [in Phila.] between 1853 and 1859, being used only in the phrase, ‘How does your corporosity sagatiate the inclemency of the weather?’ [DA].
1897		Dly Herald (Brownsville, TX) 12 Feb. 2/5: [He] never meets a friend without asking, ‘How does your constitutionality sagaciate?’.
1903		Dly Morn. Jrnl (New Haven, CT) 14 May 10/4: ‘How some people does sagaciate’.
1910		Adair Co. News (Columbia, KY) 9 Feb. 2/5: When it’s a negro [...] the law operates. When it’s a bottle of booze, it doesn’t. You ‘sagaciate’ do you not?
1933		V. Randolph ‘4th Ozark Word List’ in AS VIII:1 52: Segashiate, v. To move about, to progress. Used in a jocular fashion.
1949		Sky Line Trail Oct. 22/1: Howdy do, Mr. Gooberpatch. How does yo’ sagaciate dis lubbly wedder? [DA].