Sentence:  We receyved at Thetford in ye time of the Assises soe many sevrall letters, some of them from ye Lords of ye Counsell, and others from your Lord, as in ye soe <WSD>negotious</WSD> a time we mistooke our selves in ye directions of our answers,... 
Meaning of the word marked with <WSD> tags:  Engaged in much business; busy.