### Clue: European guy mounts Guardian's entrance (7)
### Answer: ENAMOUR 
 ### Explanation: Definition: entrance
 E(abbrev. for "European") + **reversal of**(… mounts, in a down clue) MAN(a guy) + OUR(self-referential possessive pronoun for the "Guardian", presenter of this crossword).
Defn: …, as a verb;to enchant.