To make shorter.
To abridge, reduce, contract.
To render the image of an object such that it appears to be receding in space as it is perceived visually.
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.