This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

ad. In an internal manner; interiorly; within or inside of external limits; in an inner part or situation.

ad. With regard to internal affairs.

ad. Inwardly; spiritually.

ad. Inwardly; within the enveloping surface, or the boundary of a thing; within the body; beneath the surface.

ad. Hence: Mentally; spiritually.

Interiorly; within or inside of external limits; in an inner part or situation; in or into the interior parts: as, to take or administer medicine internally.

With regard to internal affairs.

Inwardly; spiritually.

ad. on or from the inside

"So the brief summary is and we've coined the phrase internally high-performance workspace is really a space that makes our client more productive and -- for their primary business."

inwardly    spiritually   

intern   

diurnally    eternally    externally