“Go-setsumei itashimasu” (ご説明いたします) Meaning: The Tokyo Insider’s Guide to Japan’s Professional Explanation Phrase

If you have ever stepped foot inside a Japanese corporate office, attended a client pitch, or sat through an uchi-awase meeting in Tokyo, you have undoubtedly heard the crisp, polite announcement: “Go-setsumei itashimasu.” Literally translating to “I will provide an explanation,” this phrase is the absolute bedrock of professional communication, client onboarding, and slide-deck presentations across Japan. Yet, using it correctly requires much more than just memorizing textbook vocabulary. Misjudge the register, and you risk sounding stiff, robotic, or unintentionally condescending.

Grammar Breakdown: Deconstructing the Keigo

To truly own this phrase, let’s look under the hood at its linguistic anatomy. Go-setsumei itashimasu is a masterclass in Japanese humble language, known as Kenjougo (謙譲語).

• Go- (ご): A polite prefix attached to words of Chinese origin (kango) to elevate the topic respectfully toward the listener.
• Setsumei (説明): Meaning “explanation” or “account.”
• Itashimasu (いたします): The humble equivalent of suru (to do). By lowering yourself (“I humbly do”), you automatically elevate the status of your listener, creating a polite social distance that characterizes high-end Japanese customer service.

The Textbook vs. Reality Gap

Textbooks often present Go-setsumei itashimasu as a sterile translation for “I will explain.” In a real Tokyo boardroom, however, it serves a much more tactical purpose: it acts as a mental speed bump that signals a transition in the room’s atmosphere. When a project manager drops this phrase, everyone present knows it is time to pivot from casual small talk to intense focus.

However, using it incorrectly can backfire. If you say “Go-setsumei itashimasu” to a close coworker or a junior colleague, it feels bizarrely detached—akin to wearing a full three-piece tuxedo to a convenience store run. Conversely, if you are talking to a client, dropping the humble prefix and simply saying “Setsumei shimasu” sounds abrupt, aggressive, and shockingly rude.

Cultural Deep-Dive: Psychology, Omotenashi, and Workplace Hierarchy

Why is getting this phrasing right so critical in Japan? The answer lies within the intricate dance of Honne (true feelings) and Tatemae (public facade), paired with the philosophy of Omotenashi (mindful hospitality). When you present a proposal or explain a product contract, you aren’t just transferring data; you are guiding your listener through a carefully curated experience.

By lowering yourself via itashimasu, you show absolute deference to the listener’s time and intellect. It is a linguistic bow. In Japanese corporate culture, maintaining harmony and showing respect for hierarchy prevents friction. Signaling your intention to explain clearly before diving into details demonstrates Kuuki wo yomu (reading the air)—ensuring no one feels blindsided or talked down to.

Realistic Dialogue Breakdown

Observe how this phrase functions naturally in a high-stakes client meeting in Roppongi:

Client (Tanaka-san): Kore ga, kondo no shisutemu no aratana koushin purosesu desu ne.
English: This is the new update process for the upcoming system, right?

You (Sales Representative): Hai, tsuki no shiryou de dousa ni tsuite go-setsumei itashimasu. Kochira wo goron kudasai.
English: Yes, I will humbly explain the operation details in the following document. Please take a look at this.

*Body Language Analysis:* As you say “Go-setsumei itashimasu,” you deliver a polite 30-degree nod (eshaku), extend both hands to point toward the printed document or tablet screen, and maintain calm, respectful eye contact.*

Contextual Appropriateness Matrix

Mastering Go-setsumei itashimasu instantly elevates your credibility in any Japanese professional environment. Practice the cadence, pair it with proper non-verbal etiquette, and watch how smoothly your next Tokyo business meeting unfolds.