Collocations for preferable - adj.

be, seem
become
remain
make sth
consider sth, deem sth
find sth

far, greatly, highly, infinitely, much, vastly
This technique is far preferable to any alternative.
The new policies are infinitely preferable to what went before.
Independence is much preferable to charity.

clearly
environmentally (AmE)
We are committed to purchasing environmentally preferable products whenever possible.

for
The summer months are preferable for weddings.

to
Death was considered vastly preferable to surrender.