Which preposition to use with meaningful

of Occurrences 1%

This changing of the stream-tone following tardily the changes of the sun on melting snows is most meaningful of wood notes.

than Occurrences 1%

She wondered if that were anything more meaningful than just natural perversity.

to Occurrences 1%

This is often the result of the need to make the newspaper meaningful to a wider readership.

Which preposition to use with  meaningful