kind
noun
a category of things distinguished by some common characteristic or quality
“sculpture is a form of art”
“what kinds of desserts are there?”
adjective
having or showing a tender and considerate and helpful nature; used especially of persons and their behavior
“kind to sick patients”
“a kind master”
Oppositesunkindagreeable, conducive to comfort
“a dry climate kind to asthmatics”
“the genial sunshine”
Synonymsgenialtolerant and forgiving under provocation
“our neighbor was very kind about the window our son broke”
Synonymstolerant
Source: WordNet 3.1, Princeton University