Which preposition to use with fettle

by Occurrences 1%

Sherlock the Sleuth keeps himself in fair fettle by prowling round the countryside and trying to restrain the aborigines from pinching what little British material they have not already pinched.

for Occurrences 1%

He was in splendid fettle for writing that evening.

from Occurrences 1%

Being used in this sense, Mr. W. differs from Johnson and Todd, and he is inclined to derive Fettle from some deflection of the word Faire, which comes from Latine Facere.

of Occurrences 1%

He was in the full fettle of nonsense, his head a little to one side and lowered, while he looked through his eyebrows at his hearers, measuring the effect of his words.

Which preposition to use with  fettle