(transitive) to clarify, to clear up (an issue or misunderstanding), to fill in unknown details, to resolve, to sort out (a problem or a question) / (transitive) to clarify, to remove (visible contaminants) / (sports, soccer) to clear (kicking a ball away from the goal one is defend) / (reflexive) to become clear / (colloquial, somewhat vulgar) to seduce, to wrap around one's little finger as a sex object

inflection of abklären:
/ inflection of abklären:

inflection of aufklären:
/ inflection of aufklären:

present participle of klären