humanity

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Humans considered as a group; the human race.
• noun The condition or quality of being human.
• noun The quality of being humane; benevolence.
• noun A humane characteristic, attribute, or act.
• noun The languages and literatures of ancient Greece and Rome; the classics.
• noun Those branches of knowledge, such as philosophy, literature, and art, that are concerned with human thought and culture; the liberal arts.

from The Century Dictionary.

• noun The condition or quality of being human; human character or nature.
• noun Mankind collectively; the human race.
• noun The character of being humane; consideration for the sensibilities of others, and sympathy with their needs or suffering; kindness; benevolence; a disposition to relieve distress, whether of men or of animals, and to treat all creatures kindly.
• noun Politeness; civility.
• noun Learning or literature of a merely human or secular kind: opposed to divinity: generally in the plural, with reference to the several branches of such literature, as philology, grammar, rhetoric, poetry, the study of the ancient classics, and the like. In Scotland, in the singular, applied to Latin and Latin literature alone: as, a professor of humanity.

from the GNU version of the Collaborative International Dictionary of English.

• noun The quality of being human; the peculiar nature of man, by which he is distinguished from other beings.
• noun Mankind collectively; the human race.
• noun The quality of being humane; the kind feelings, dispositions, and sympathies of man; especially, a disposition to relieve persons or animals in distress, and to treat all creatures with kindness and tenderness.
• noun Mental cultivation; liberal education; instruction in classical and polite literature.
• noun The branches of polite or elegant learning; as language, rhetoric, poetry, and the ancient classics; belles-letters.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Mankind; human beings as a group.
• noun The human condition or nature.
• noun The quality of being benevolent.
• noun Humane traits of character; humane qualities or aspects.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the quality of being human
• noun the quality of being humane
• noun all of the living human inhabitants of the earth