acknowledging
ac-knowl-edg-ing
verb
Recognising or admitting the truth, existence, or validity of something.
"She was acknowledging his presence with a nod."
noun
The act of recognising or admitting the truth or existence of something.
"His acknowledging of the error was appreciated."
Thesaurus
Synonyms: acknowledge, receipt, notice, admit, recognize, recognise, know
Antonyms: deny