abridge
(v.) to shorten
abscond
(v.) to escape
ambient
(adj.) related to the surrounding environment
ambiguous
(adj.) open to or having several possible meanings or interpretations; of doubtful or uncertain nature; difficult to comprehend, distinguish, or classify
ambivalent
(adj.) undecided; having opposing feelings simultaneously
anthropology
(n.) the study of human society
belligerent
(adj.) aggressive or threatening
befriend
(v.) to act as a friend; provide support
benevolent
(adj.) having kind wishes toward others
benign
(Adj.) kind and gentle