Use the adjective virtually to mean almost. If your economics homework is nearly complete, it is virtually done.
Virtually also means in essence, or for all intents and purposes. If you virtually ran the German club bake sale by yourself, it means that even though you weren't officially in charge, you might as well have been. In computer science, the word virtually has the extended sense of being part of the simulated computer world. Your character in a computer game might excel virtually at sports even though you're not particularly athletic in real life.