The synonym of the word 'innate' is-

Correct answer: Intrinsic.

• Innate (adjective)
- English Meaning: existing in, belonging to, or determined by factors present in an individual from birth: native, inborn.
- Bangla Meaning: (গুণ ইত্যাদি) সহজাত; সহজ; নিজ; স্বভাবজ; অন্তর্জাতা।

• Intrinsic (adjective)
- English meaning: belonging to the essential nature or constitution of a thing: occurring as a natural part of something.
- Bangla meaning: স্বাভাবিক, সহজ, অন্তর্নিহিত, স্বকীয়।

• Other options:
ক) Significant
- English Meaning: having or likely to have influence or effect: important.
- Bangla Meaning: বিশেষ অর্থপূর্ণ; বিশেষ ইঙ্গিতপূর্ণ; গুরুত্বপূর্ণ।

খ) Extraneous
- English Meaning: Irrelevant or unrelated to the subject being dealt with.
- Bangla Meaning: অসংশ্লিষ্ট; নিজস্ব নয় এমন; বহিরাগত; বাইরের।

ঘ) Feeble
- English Meaning: lacking strength of character.
- Bangla Meaning: দুর্বল; নিস্তেজ; ক্ষীণ।

Source:
1. Merriam-Webster Dictionary
2. Accessible Dictionary by Bangla Academy