coun ‧ ter ‧ bal ‧ ance /ˌkaʊntəˈbæləns $ -tər-/ BrE AmE verb [transitive]
to have an equal and opposite effect to something such as a change, feeling etc:
Riskier investments tend to be counterbalanced by high rewards.
—counterbalance /ˈkaʊntəˌbæləns $ -tər-/ noun [countable]