"insist" in the verb sense
1. insist, take a firm stand
be emphatic or resolute and refuse to budge
"I must insist!"
2. importune, insist
beg persistently and urgently
"I importune you to help them"
3. insist, assert
postulate positively and assertively
"The letter asserts a free society"
Source: WordNet® (An amazing lexical database of English)
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