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
はさておき => A aside; putting A aside, B (new topic) N1
Miscellaneous
さえ~ば => If only A/B, then C, If only A occurs, then B N2
Conditional, While
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
さえ/にさえ/でさえ => Even N3
Not only, Not even
~ば => If~ N4
Conditional
に[先駆「さきが」]けて => The earliest, very first in A; Ahead of A, in advance of A N1
Time, Situation
さて => So N2
Miscellaneous
[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
とあれば => If A N1
Conditional, While
ばこそ => Because of A N1
Reason, Result, Response
きり => Only A N3
Degree. Level, Amount