mentation：精神作用，心理状态 

词根词缀： -ment-记忆,智力 + -ation名词词尾

• attar
• attempt
• attend
• attendance
• attendant
• attention
• attentive
• attenuate
• attest
• attic
• attic
• attire
• attitude
• attorney
• attract
• attraction
• attractive
• attributable
• attribute
• attrition
• attune
• attuned
• atypical
• aubergine
• auburn