Perhaps we should consider another option. Here, 'Perhaps' is used as -

• Perhaps we should consider another option. Here 'Perhaps' is used as - Adverb.
- এখানে, Perhaps সম্পূর্ণ বাক্যটিকে modify করছে এবং অনিশ্চয়তা প্রকাশ করতে বা কিছু একটি সম্ভাবনা বা বিবেচনা করার পরামর্শ দেওয়ার জন্য কাজ করছে।

• Perhaps (adverb)
English meaning: used to express uncertainty or possibility.
Bangla Meaning: সম্ভবত/বোধহয়।
- এটি অনিশ্চয়তা বা সম্ভাবনা প্রকাশ করতে ব্যবহৃত হয়।
- এছাড়াও, এটি Adverb of Affirmation and negation কে নির্দেশ করে।

• Adverb of Affirmation and negation - is a word that declares that something is true or some equivalent expression or negative statement, judgment, or a logical proposition.
- অর্থাৎ, এর দ্বারা হ্যাঁ/না বোধক ধারনা বোঝায়।
- For example- certainly, definitely, obviously, surely

• Perhaps can modify verbs, adjectives, or entire sentences, indicating that something is likely or might happen.

Here are a few examples:
• Modifying a Verb:
- They will perhaps arrive by noon.

• Modifying an Adjective:
- The task is perhaps more challenging than we thought.

• Modifying an Entire Sentence:
- Perhaps we should consider another option.

Source: 
1. Accessible Dictionary by Bangla Academy.
2. Oxford Learber's Dictionary.