The most common and most likely answer to this crossword clue is the 6 letter word OPENID which also is the latest solution we found used in Wall Street Journal in 2007.
Online authentication system crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| OPENID | 100 % | 6 |
Words with a meaning similar to the clue: Online authentication system
These words may or may not be a possible solution to this crosswords clue.- intranet
- trapdoor
- sysop
- password
- seal
- verification
- geolocation
- lineup
- administer
- administering
- dog tag
- indent
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution