

会議は十時に開始します。
新しいサービスを来月から開始する予定です。
試合はまだ開始されていません。
"かいしする(開始する)" is in the lesson "Verb antonyms" (Level 8), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.