enigmatically

1. act#Verb|Acting in a manner that suggests an enigma.
2. Behaving mysteriously or strangely.
   • 1919 October, John Galsworthy, chapter I, in Saint’s Progress, London: William Heinemann, published December 1919, OCLC 731506428 ↗, part III, 1 §, page 220 ↗:

     "Leila!" she said enigmatically. "Have you seen her?" / "I went to her flat last week with Dad—he likes her." / "Delilah is her real name, you know. All men like her. And Captain Fort is her lover."

3. function#Verb|Functioning in a way that is unexplainable.