fairytale - A children's story about magical and imaginary beings and lands; or something that is too good to be true or seems unreal.
He told a fairytale about how he got the job, but no one believed him, and people suspected that he had a relative in management.
contemplate - To spend time considering a possible future action, or to consider one particular thing for a long time in a serious and quiet way.
Now that Angela had graduated from college, she had to contemplate whether to get a job or get a more advanced degree.
preposterous - Contrary to reason or common sense; utterly absurd or ridiculous.
When Sandy's stock broker called and suggested that he sell half his stocks because he felt the market was overvalued, Sandy thought the idea was preposterous - but it turned out that his stock broker was right.