さて => So N2
Miscellaneous
ては[初「はじ」]めて => Only after A did (I) B N3
Time, Situation
ておく => Do something N4
Secondary Verb
て、~で => Since V1then V2 N5
Change, cause and effect
てくれてありがとう => Thank you for doing A N4
Honorifics
てもらう => Do for N4
Give and take advice
こととて => Because A N1
Reason, Result, Response
にて => At A, by A N2
Time, Situation
てやる => Do for someone N4
Give and take advice
てみる => Try to A N4
Secondary Verb
んだって => Hear that~ N3
Information, Report
てこそ => Now since A... N2
Reason, Result, Response