ておく => Do something N4
Secondary Verb
ておく  => to do something in advance N4
Status
ておく => To do something in advance N4
させておく => Leave it alone, don't interfere N2
Position, perspective
~からとおもって => Because I think... N1
Base, base
おくに => Which country N5
Doubt
放題 => doing as one pleases; to one's heart's content; leaving uncontrolled N1
…とばかりおもっていた => Thought that ... N3
Speculation
…ものとおもっていた => Thought it was... N2
Vague
お…くださる => Please do ~ (honorific) N3
Respectful, humble
いくら…といっても => no matter how ~ N3
Emphasize
~とおもうまもなく => Suddenly~ N1
Right after...