Sentence:  Having <WSD>premised</WSD> thus much, we will now detain those who like our bill of fare no longer from their diet, and shall proceed directly to serve up the first course of our history for their entertainment. 
Meaning of the word marked with <WSD> tags:  To set forth beforehand, or as introductory to the main subject; to offer previously, as something to explain or aid in understanding what follows.