gratis - free, uncharged⏎
markdown - cheapen, reduce price⏎
graph - plan⏎
marginal - small, unimportant, inconsiderable, insignificant,⏎
equipment - tools, machinery, wherewithal⏎
mediocre - average, not very good, middling, inferior⏎
flourish - grow, develop, prosper, be fruitful⏎
lawful - legal, licit, legitimate⏎
key - most essential, most important, main, chief thing, crucial influential⏎
highlight - emphasise, indicate, make obvious, emphasize⏎