Collocations for contribution - noun

important, meaningful, significant
big, enormous, great, huge, major, strong, substantial
minor, modest, small
invaluable, positive, useful, valuable
We like to think that we are making a positive contribution to society.

distinguished, notable, outstanding, seminal, unique
He was recognized for his unique contribution to the arts.

individual, personal
Each of these writers has made an individual contribution to the discussion.

relative
Researchers have argued over the relative contributions of nature and nurture to the human personality.

make
He made a major contribution to peace in the region.

acknowledge, appreciate, recognize, value
The author acknowledges the contributions of scientist Charles Green.

contribution to
a valuable contribution to science

generous, large
small
annual, monthly
charitable (esp. AmE)
voluntary
We rely entirely on voluntary contributions.

campaign (esp. AmE)
insurance, pension
employers' pension and health insurance contributions

tax-deductible

make, offer, pay
ask for, solicit

contribution to, contribution towards/toward
Residents made a net contribution to public finances of $2.6 billion.
We were asked to make a contribution towards the cost of the meal. (BrE)