To make something loose.
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 less severe or tense.
To become more lenient.
To remove an impediment that obstructs the passage of (someone or something).
To remove a prohibition.
To unlock or unbolt a door that had been locked or bolted with a bar.