In addition to using accurate words you will usually want to use familiar, simple, unadorned words. Simplicity increases readability. Complexity, unorthodox usages, transitional adverbs, and abstract nouns diminish readability. Strive for lean writing, using simple words. Avoid jargon, pedantry, or foreign phrases designed to show off your erudition.
Arrogance pervades the work of certain scholars and professors.
The greatest discovery in history is useless if no one understands what it means. Let Verbs and Nouns Do the Work Short words, short sentences, and short paragraphs are preferable. The challenge is to avoid oversimplification as well as mindless overwriting. Carefully selected verbs and nouns seldom need a string of adjectives and adverbs to amplify their meaning. You can accomplish more with one carefully chosen, vivid, telling verb than with a boxcar full of highfalutin adjectives.