acclimate

adapt to new climate.

ant:none

syn:accustom,learn the ropes

abrasive

causing irration

ant:chating,grating,rasping

syn:smooth,polished,satiny,oily

chagrin

irritation or humiliation

syn:vexation, mortification

Ant:jubilation, exultation

complacent

self-satisfied

syn:smug,pleased with oneself

Ant: discontented, chagrined

 concur

express, agreement

syn:agree, assent

Ant:disagree, differ

Defamation

slander or libel

syn:vilification,calumny

ant:salute, tribute