from The American Heritage® Dictionary of the English Language, 4th Edition
- Completely; thoroughly; excessively. Used as an intensive: bemuse.
- On; around; over: besmear.
- About; to: bespeak.
- Used to form transitive verbs from nouns, adjectives, and intransitive verbs, as:
- To make; cause to become: bedim.
- To affect, cover, or provide: bespectacled.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- By, near, next to, around, close to.
- Around; about.
- About, regarding, concerning, over.
- On, upon, at, to, in contact with something.
- Off, away, over, across
- As an intensifier; i.e. thoroughly, excessively; completely; utterly.
- All around; about; abundantly; all over.
- Forming verbs derived from nouns or adjectives, usually with the sense of "to make, become, or cause to be".
- Used to intensify adjectives meaning "adorned with something" often those with the suffix -ed.
from the GNU version of the Collaborative International Dictionary of English
- To intensify the meaning.
- To render an intransitive verb transitive.
- To make the action of a verb particular or definite.
Middle English bi-, be-, from Old English be-, bi-; see ambhi in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English be-, bi-, from Old English be- ("be-"), from Proto-Germanic *bi- (“be-”), from Proto-Germanic *bi (“near, by”). See by. Cognate with Dutch be- ("be-"), German be- ("be-"), Swedish be- ("be-"). More at by. (Wiktionary)