verb
to shave, to shave oneself
B1
Rasieren is a regular weak verb meaning 'to shave' or 'to shave oneself'. It can be used reflexively (sich rasieren = to shave oneself) or transitively (to shave someone). Auxiliary is haben; past participle rasiert. No separable prefix. Reflexivity changes who performs the action; both uses are common.
Examples
Bevor er sich rasierte, erinnerte ihn die Mutter daran, dass er saubere Handtücher benutzen sollte.
Before he shaved, his mother reminded him that he should use clean towels.
Ich rasiere mich jeden Morgen.
I shave every morning.
Er rasiert sich jeden Morgen.
He shaves every morning.
Details
Mnemonics
Picture a razor moving across a cheek removing stubble when you hear 'rasieren'.
Sounds like 'razor' (rasier -> razor) — rasieren = to shave.
Notes
Rasieren is commonly used both transitively (jemanden rasieren) and reflexively (sich rasieren). In perfect tenses it uses the auxiliary 'haben' (hat rasiert).