knowingly

From Middle English knawyngly, knowyngly; equivalent to knowing +‎ -ly.

knowingly (comparative more knowingly, superlative most knowingly)

1. In the manner of one who knows.

   She smiled knowingly, but kept the secret.

   • 1946, George Johnston, Skyscrapers in the Mist, page 121:

     He pursed his lips knowingly and winked exaggeratedly.

2. With knowledge of all relevant facts.

   Synonyms: awarely, consciously

   Antonyms: unknowingly, obliviously, unawarely; unconsciously, subconsciously

   She would never knowingly pour any pollutant down the drain.

   We keep our prices low and are never knowingly undersold.