One of the things that baffles newbees as well as long-time students of theosophy, is the confused definitions of theosophy. When one tries to discuss or debate the subject, we may end up parting with deep disagreements because each one of us may have been introduced to theosophy by various lineages, each clinging to certain viewpoints. HPB seems to have forseen this problem and addressed this to the second annual convention of the American Section. She stated:
But there are others among us who realize intuitionally that the recognition of pure Theosophy — the philosophy of the rational explanation of things and not the tenets — is of the most vital importance in the Society, inasmuch as it alone can furnish the beacon-light needed to guide humanity on its true path.
Complete statement can be found here.