1. Easy to believe on the basis of available evidence
   - believably, plausibly, probably, tenably

See also: credible

Antonym: incredibly

• rattail fish
• rattan
• rattan cane
• rattan palm
• ratteen
• ratter
• Rattigan
• ratting
• rattle
• rattle down
• rattle off
• rattle on
• rattle weed
• rattle-top
• rattlebox
• rattlebrained
• rattled
• rattlepated
• rattler
• rattlesnake
• rattlesnake fern
• rattlesnake master
• rattlesnake orchid
• rattlesnake plantain
• rattlesnake root