canvass

1 [I, T] canvass (somebody) (for something) to try to persuade people to vote for a particular person or party in an election or to support somebody/something चुनाव आदि में प्रत्‍याशी विशेष या दल विशेष के पक्ष में समर्थन माँगना

2 [T] to find out what people’s opinions are about something किसी विषय पर लोगों की राय जानना