Informative and reliable brand name that plays on the word "knowledge".
KnowledgeA has 10 characters and three syllables. Examples of popular three syllable names include Heineken, Armani and Nescafé.
Knowledgea.com is a dot com domain. Dot com domains are the most desirable domain extension in the world, famously used by websites like youtube.com. Once secured, a dot com all but guarantees no-one else can outrank you for your own name in the long run.