From The Collaborative International Dictionary of English v.0.48 [gcide]:
Wearable \Wear"a*ble\, a.
Capable of being worn; suitable to be worn.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
wearable
adj 1: suitable for wear or able to be worn; "wearable evening
clothes"; "a wearable hearing aid" [ant: unwearable]
n 1: a covering designed to be worn on a person's body [syn:
clothing, article of clothing, vesture, wear,
wearable, habiliment]