coddle treat with care and tenderness
coerce compel， to force to make obedient
cogent strong， convincing
cogitate think deeply， mediate
cognition knowing， awareness （emotionless）
colander bowl-shaped vessel with many holes used to drain off water
collusion secret agreement for a deceitful purpose
combustion process of burning
commend praise
commendable worthy of praise
commuter person who travels regularly
complacently with self-satisfaction
complaisance easy-going habit of mind
comply act in accordance
compound mix or combine
conceal hide， keep secret
conceit over-high opinion of， too much pride
conciliatory intending to or likely to， peaceful
concord agreement or harmony