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

See also: credible

Antonym: incredibly

• seaside scrub oak
• seasnail
• season
• season ticket
• seasonable
• seasonableness
• seasonably
• seasonal
• seasonal adjustment
• seasonal affective disorder
• seasonal worker
• seasonally
• seasoned
• seasoned salt
• seasoner
• seasoning
• seat
• seat cushion
• seat-of-the-pants
• seatbelt
• seated
• seating
• seating area
• seating capacity
• seating room