IPA: /ˈkɔːrdʒəl.nəs/
KK: /ˈkɔrdʒəlnəs/
The quality of being friendly, warm, and welcoming towards others.
Her cordialness made everyone feel at home during the gathering.
Cordialness → It is formed from "cordialis" (from Latin, meaning of the heart) and the suffix "-ness" (meaning the state or quality of). The word "cordialness" refers to the quality of being warm and friendly, as if coming from the heart.
Think of 'cordialis' meaning 'of the heart' to remember that 'cordialness' describes a warm and friendly quality.