14-Letter Words Containing: _,A,C,E,F,L,S,U

• the process of paying close and continuous attention

• vigilant attentiveness

• lack of depth of knowledge or thought or feeling

• shallowness in terms of affecting only surface layers of something

• an implement with a small cup at the end of a handle; used to extinguish the flame of a candle

• power to be effective; the quality of being able to bring about an effect

• a state that is calm and tranquil

• the absence of mental stress or anxiety

• not possible to classify