Which preposition to use with jocular

in Occurrences 2%

This sounded in their ears like an old woman's dream, but still it was an excitement, jocular in the morning, and just, perhaps, a little fearful as night overspread the vast and desolate building, but still, not wholly unpleasant.

as Occurrences 1%

HUMOUR therefore being the youngest of this Illustrious Family, and descended from Parents of such different Dispositions, is very various and unequal in his Temper; sometimes you see him putting on grave Looks and a solemn Habit, sometimes airy in his Behaviour and fantastick in his Dress: Insomuch that at different times he appears as serious as a Judge, and as jocular as a Merry-Andrew.

by Occurrences 1%

When a man who is not jocular by nature makes two jokes in as many minutes, he is hard hit.

on Occurrences 1%

Dr. Johnson, to irritate my old Scottish[1007] enthusiasm, was very jocular on the homely accommodation of 'King Bob,' and roared and laughed till the ruins echoed.

Which preposition to use with  jocular