godan verb (-su), transitive verb
regard as; consider to be; deem
Transitive verb used in the pattern AをBとみなす, meaning to treat, judge, or regard A as B. Often slightly formal or objective in tone, especially in rules, judgments, and explanations.
彼の沈黙を同意とみなした。
I regarded his silence as consent.
This act is considered a breach of contract.