How long do you wait for something? Is your time valuable or not?

Humans laugh at very sad and very happy events throughout time. 

Physiology is the study of the functions and parts of an organism. 

A creature stealthily approaching its prey is said to prowl.

If you are asking for forgiveness of your sins is called penance.

A liquid that is fit for human consumption is called potable.

Many things are possible to happen. Thus, the potential is there.

When you are asked to think again about something, then you are asked to reconsider your opinion about something.

A type of garment that appears to have a criss-cross pattern of colours is often called plaid.

An excessive amount of something which is not necessary is describing a person who is overcompensating.