Ah, yes. When he cast those spells on the Witch King of Angmar I was enthralled.
Even in a setting where the biggest spell we see Gandalf cast is "Break Bridge" the most magical thing Aragorn does is make a poultice with some weeds to keep Frodo alive 'til they can get him to Elrond. Nothing about him says:
1) Extra HP compared to Boromir, Gimli, or Legolas
2) Druid Spells
3) Giant-Hatred (I'll give you orcs, maybe goblins... but Kobolds? Gnolls?)
4) MAGIC USER SPELLS AT 9th LEVEL
And poultice as Druid Spells would suggest he was either 8th level at Hilltop, or hit 8th level there. By 10th level he'd be -great- at using the Palantir, though, since it allows for clairaudience/clarivoyance/ESP/Telepathy stuff which Aragorn apparently gets proficiency in...
And who can forget the scene where Aragorn cast Magic Missile at the darkness?