Conceptually that was quite accurate, even if it was not the most _________ choice of words.

Felicitous (adjective)
English Meaning: Well-chosen or suited to the circumstances.
Bangla Meaning: (আনুষ্ঠানিক) (শব্দ, মন্তব্য ইত্যাদি প্রসঙ্গে) সুনির্বাচিত; সুখপূর্ণ; মনোরম।

• Synonyms: Suitable (উপযোগী), Appropriate (যথাযথ), Relevant (প্রাসঙ্গিক), Palatable (সুস্বাদু), Dulcet (মধু)। 
• Antonyms: Inappropriate (অনুপযোপী), Unfortunate (দুর্ভাগ্যজনক), Unwelcome (অবাঞ্চিত), Disagreeable (অসম্মত)।

Other Forms: 
- Felicitously (adverb);
- Felicitate [ফালিসিটেইট্] (verb transitive) felicitate somebody (on/upon something) (আনুষ্ঠানিক) অভিনন্দিত করা।
- Felicitation [ফালিসিটেইশন] (noun) অভিনন্দন; অভিনন্দিতকরণ।

Example Sentence:
1. Conceptually that was quite accurate, even if it was not the most felicitous choice of words.
2. The combination of domestic arrangements with professional ambitions was not a felicitous one.

Meaning of other words:
- inappropriate (অনুপযোপী)।
- Breezy (স্ফূর্তিবাজ; প্রফুল্ল; উৎফুল্ল)।
- Unambitious (পানসে, নিরামিষ)।

Source: 
1. Accessible Dictionary by Bangla Academy
2. Cambridge Dictionary 
3. Website Lecture