A polite reaction to receiving thanks, meaning that the speaker enjoyed helping the listener.

Alternative spelling of plead the Fifth (both senses)

Discharging one's obligations must take precedence over devoting time to pursuits meant solely for one's own gratification.

Polite reaction after receiving thanks.

That may be pleased.

plural of pleasantness

(idiomatic) Something that brings pleasure but is considered taboo, unadvisable or lowbrow.

(law, US) To invoke the Fifth Amendment to the United States Constitution, which protects witnesses from being forced to incriminate themselves.

Exaggerated form of please or pretty please.

When giving directions to a person (for example, a taxi driver), indicates that he or she should turn right.