Valid : বৈধ; যুক্তিসিদ্ধ;;
Related Words
valid  validate  validated  valued  vaulted  veld  See Words Also In
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Appropriate Prepositions
Acceptable to(গ্রহণযোগ্য): Such behavior is just not acceptable in this school.
Ashamed of(লজ্জিত): Nandini was ashamed of his wrong-doing.
Eager for, about (একাগ্র): The students for this school are eager for knowledge. The teacher is eager about the success of his students.
Married to (বিবাহিত): Salma was married to a Govt. Officer.
Road to (উপায়/ রাস্তা): There is no easy road to learning.
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Idioms
At death’s door (at the point of death- মৃত্যুর দ্বারে) The patient is now at death’s door.
Brown study (day dream-দিবাস্বপ্ন -n) The woman is absorbed in a brown study.
Look into something (তদন্ত করা- investigate) - The manager looked into the matter.
Null and void (বাতিল): The deed has been null and void now.
To the point (সঠিক) - The boy answered the question to the point.