| acceptable |
good enough to be approved of; satisfactory. |
| arena |
a stage, ring, or other enclosed area where shows or sports events are held. |
| challenge |
to invite to enter into a fight or contest of skill; dare. |
| flick |
a sharp, light snap or blow. |
| improvement |
a change that makes something better than it was. |
| introduce |
to present to another person. |
| italicize |
to print in italic type. |
| normal |
close to what is usual, average, or standard. |
| prove |
to show to be true or correct. |
| realize |
to understand completely. |
| sly |
devious or not to be trusted. |
| substantially |
to a large or significant degree; considerably. |
| tissue |
a group of cells in an animal or plant body that are like each other and do similar things. |
| vibrate |
to move back and forth very rapidly and steadily. |
| whisk |
to brush off or carry off with, or as though with, a quick, light sweep of the hand or a brush. |