From WordNet (r) 3.0 (2006) [wn]:
motorized
adj 1: equipped with a motor or motors; "a motorized wheelchair"
[syn: motorized, motorised, motored] [ant:
motorless, unmotorised, unmotorized]
2: using vehicles; "motorized warfare" [syn: mechanized,
mechanised, motorized]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
motorized \motorized\ adj.
1. same as motored; as, a motorized wheelchair. Opposite of
unmotorized. [Narrower terms: {bimotored ; {trimotored
]
Syn: motored.
[WordNet 1.5]
2. Equipped with vehicles to permit rapid movement from place
to place.
Syn: mechanized.
[WordNet 1.5]