| authorize |
to give official permission to; allow or approve. |
| ballast |
heavy material placed in a boat or ship to make it more stable. |
| concept |
a general idea or thought. |
| expend |
to use up. |
| factor |
something that has an influence on something that happens or is one of the causes of it. |
| inadequate |
not enough; not good enough. |
| mirage |
an illusion in which something is seen in the distance but is not really there. |
| narrator |
a person or character who tells a story. |
| obligation |
something that someone should or should not do because of a law or moral principle. |
| precursor |
an earlier or previous person, group, event, or form of something; predecessor. |
| respiration |
the act of breathing. |
| revelation |
the act of revealing. |
| rivet |
a metal bolt that pins metal plates or other objects together. |
| systematic |
involving or based on a method or plan; not random or chaotic. |
| ultimate |
last or farthest in a progression; final. |