決定します（けっていします、keっteishimasu）
- to decide

The Japanese verb 決定します (読み方：けっていします) means "to decide," "to determine," "to resolve," or "to conclude." It implies making a firm choice or reaching a decision after considering the options. The word emphasizes the finality of the decision. It can refer to making a decision about a course of action, a plan, a schedule, or even a judgment. The word 決定します, in all of its conjugated forms, indicates that a definitive conclusion has been reached.

⚫︎ 会議のスケジュールを決定します。 Translation: I will decide the meeting schedule. ⚫︎ 来週の旅行先を決定しました。 Translation: I decided on the travel destination for next week. ⚫︎ 彼はプロジェクトのリーダーに決定しました。 Translation: He was decided on as the project leader.

⚫︎ 決定します is a formal and polite verb. It's suitable for various situations, including business, formal announcements, or situations where you want to show respect. ⚫︎ You can use it in both written and spoken Japanese. ⚫︎ It is often used when an important or significant decision is made.

⚫︎ The word is typically written with the kanji 決定 (けってい) followed by the polite verb suffix します (shimasu). ⚫︎ 決定 itself is a noun meaning "decision" or "determination." ⚫︎ Hiragana: けっていします ⚫︎ Kanji + Hiragana: 決定します ⚫︎ Other forms: 決定します(present affirmative), 決定しました(past affirmative), 決定しません(present negative), 決定しませんでした(past negative) etc. The okurigana (suffix hiragana) for the verb stem 決定 is always します

⚫︎ 決める (kimeru): This is the plain form of 決定します, meaning "to decide." It is less formal. ⚫︎ 判断する (handan suru): Meaning "to judge," or "to make a judgement." ⚫︎ 定める (sadameru): To establish or determine. Often used to refer to rules, regulations, or laws.

⚫︎ There isn't a direct single antonym for 決定します. However, words or phrases expressing indecision or not making a decision can be considered antonyms in a sense. Examples: 保留する (horyuu suru) - to postpone, 迷う (mayou) - to be indecisive, 決まらない (kimaranai) - not decided.

今後の計画について、会議で決定します。 ・Translation: We will decide on the future plans in the meeting. ・Explanation: This sentence indicates that a decision will be made during a meeting, after discussing the plans.

社長は新しいプロジェクトの開始を決定しました。 ・Translation: The president decided to start the new project. ・Explanation: This sentence illustrates a formal decision made by a person in authority.

⚫︎ 決定 is a compound word. ⚫︎ 決 (ketsu): means "to decide," "to fix," or "to determine". It's the base element. ⚫︎ 定 (tei): means "to decide," "to determine," "to establish," or "to set". ⚫︎ します (shimasu): is the polite verb "to do", making the verb "to decide" or "to determine."