いささか => a bit N3
Evaluate
さ => -ness N4
さえ/にさえ/でさえ => Even N3
Not only, Not even
さあ => well N3
Suggestion
さえ/でさえ => even; so much as; not even N3
...さ => Sentence-ending particle N3
Exclamatory
させてください/させてもらえますか/させてもらえませんか => please let me do N3
さて => well; now; then ~ N2
さん => Mr., Mrs., Ms. N5
Respectful, humble
さすがに => understandably N2
Base, base
さあ => well (negative meaning) N3
Emphasize negative meaning
さて => So N2
Miscellaneous