1. Clearly revealed to the mind or the senses or judgment
   - apparent, evident, manifest, patent, plain, unmistakable 
2. Clearly evident to the mind
   - unmistakable

See also: clear, obvious

• airplane mechanics
• airplane pilot
• airplane propeller
• airplane ticket
• airplay
• airport
• airport terminal
• airpost
• airs
• airscrew
• airship
• airsick
• airsickness
• airside
• airspace
• airspeed
• airstream
• airstrip
• airt
• airtight
• airtime
• airwave
• airway
• airwoman
• airworthiness