Words can dance likes bees, and buzz about in the minds of readers. Well-written language grasps the reader by their attention and gives an author a better opportunity to get their point across.
You can't go wrong with flowery words; words with a seasonal influence are also great. By using such language, you awaken the visual part of the reader's brain, further engrossing them in your work.
Sometimes it is a good idea to purposefully mispell a word so that people will re-read it. This breaks a reader's flow, which can be either a good thing or bad thing depending on what you are trying to achieve as a writer.
There are other great tricks for superb, engrossing writing. Try throwing a word from another language in every once in a while; not all of your audience will get it, but those who do will really think it is meliora. It's also great to throw in ten dollar words, like copacetic, and use synonyms, like "there, their and they're." These three words all mean the exact same thing, but if you mix them up, people will really think you're smart and it will improve their opinion of your writing.