To dull the senses of (a person, place etc.).
To make into a narcotic.
To use a narcotic in order to make (someone) drowsy or insensible; to anesthetize, to drug.
To make something less severe or tense.
To become loose.
To become less severe or tense.
To make something (such as codes and regulations) more lenient.
To calm down.
To relieve (something) from stress.
To make something loose.
To become more lenient.