1. Justifiably.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• qarrantably,
• aarrantably,
• sarrantably,
• earrantably,
• 3arrantably,
• 2arrantably,
• wzrrantably,
• wsrrantably,
• wwrrantably,
• wqrrantably,
• waerantably,
• wadrantably,
• wafrantably,
• watrantably,
• wa5rantably,
• wa4rantably,
• wareantably,
• wardantably,
• warfantably,
• wartantably

• Warrantable,
• warrantee,
• warranty,
• warrant,
• Warrenty,
• Warrentying,
• warranter,
• warranted.

The adjective form of the word "warrantably" is "warrantable".

The plural form of the word "warrantably" is "warrantablys." However, it is important to note that this word is not commonly used, and there may be alternative ways to express the concept it conveys.

The singular form of the word "Warrantably" is "Warrantable"