Extend the duration.

Short-term is used to describe things that will last for a short time, or things that will have an effect soon rather than in the distant future.

to lift and give support to something by putting something under it: He was sitting upright in his hospital bed, propped up by pillows.

1. cause (pain, distress, or difficulty) to become less severe or serious. (it also has a separate meaning used mainly for military)

Restrain > Separate meaning to suffocate.

significant as a cause or basis of something but not necessarily manifest or obvious.

make determined efforts to deal with (a problem or difficult task). (this word has 3 meanings)

money or goods that are given to help a person or organization, or the act of giving them: donations of food and money.

the basic cause, source, or origin of something. (Also used to describe the lowest parts of a plant)

think about and begin to deal with (an issue or problem). (4 meanings)

cause (someone or something) to change course or turn from one direction to another.