ADV [usually ADVERB with verb, oft ADVERB adjective]有意地;故意地;蓄意地 If you do something wittingly, you are fully aware of what you are doing and what its consequences will be. 有意地;故意地;蓄意地 [formal]
When she had an affair with her friend's husband, she wittingly set off a chain of crises.