[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
てさしあげる => Do for N4
Give and take advice
さえ/にさえ/でさえ => Even N3
Not only, Not even
さしあげる => Give B to A (A is a third party, not yourself) N4
Give and take advice
さて => So N2
Miscellaneous
でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
さ => Changes A into a noun N4
Sentence Endings
さ => Changes A into a noun N3
Sentence Endings
なさい => Do A (command) N4
Can, Should, Must
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
し(~し) => and ... N4
Cause and Effect
~てください => Please do ~ N5
Asking and Telling