1. To indicate something by action or by implication.
2. To show or to demonstrate clearly; to manifest.
‘Evince’ sounds a lot like ‘Evidence’. Evidence means to show something clearly and since evince means the same, the meanings of both the words can be learnt by relating them to each other.
1. They did not evince any interest in talking to us.
2. Such laws evince a worrying belief in the power of a strong, centralisedstate under the control of one party.
3. She evinced an interest in art at an early age.