complimentarinessn.

/kɒmplɪˈmɛntərɪnɪs/Etymology: < complimentary adj. + -ness suffix.
rare.
the mind > attention and judgement > esteem > approval or sanction > commendation or praise > compliment > [noun] > complimentary quality
1880 M. Laffan I. ii. 73 Efforts at jocularity and complimentariness.
This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2018).