Sentence:  ... wooing, wedding, and repenting, is as a Scotch jig, a measure, and a cinque pace: the first suit is hot and hasty, like a Scotch jig, and full as fantastical; the wedding, mannerly-modest, as a measure, full of state and <WSD>ancientry</WSD>; and then comes repentance and, with his bad legs, falls into the cinque pace faster and faster, till he sink into his grave. 
Meaning of the word marked with <WSD> tags:  Old-fashioned style, elaborate ceremony.