1. In a credulous manner
   - credulously

Antonym: unbelievingly

• ionic beam
• ionic bond
• ionic charge
• Ionic dialect
• ionic medication
• Ionic order
• ionisation
• ionisation chamber
• ionisation tube
• ionise
• ionised
• ioniser
• ionization
• ionization chamber
• ionization tube
• ionize
• ionized
• ionizer
• ionizing radiation
• ionophoresis
• ionosphere
• ionospheric
• ionospheric wave
• iontophoresis
• iontotherapy