estilar
to be customary
estilo
style
+
-ar
verb suffix
Estilar means to be customary and can be thought of as estilo0 (style0) + -ar1 (verb suffix1), implying 'to be in style' or customary.
verb
  1. to be customary
    To be customary or usual; to be in style
    En esta región estila comer temprano. // It is customary to eat early in this region.
  2. to drip
    To drip or trickle
    El grifo estila agua constantemente. // The faucet drips water constantly.