| A | B |
| Arbitary | based on whim or impulse rather than on reason or law |
| Coincidental | occurring as a combination of circumstances that, although accidental, is so remarkable that is seems to have been planned or arranged |
| Contrive | to plan cleverly |
| Deliberation | careful thought in decision- making or action |
| Fortuitous | occurring unexpectedly or without any known cause |
| Haphazard | lacking any definite plan or order |
| Intent | an aim or purpose |
| Premeditated | planned, arranged, or plotted in advance |
| Spontaneous | happening without external cause |
| Unwitting | not knowing; unaware |