Synonyms for Spontaneously

Synonyms starting with letter A

• automatically

  without thinking, instinctively
• ad lib
• ad libitum
• ad-lib

  instinctively
• accidentally

  circumstance
• artlessly
• as you please
• at will
• automagically
• away
• at once
• advisedly
• according to pleasure
• as one thinks best
• as one wishes
• abruptly
• ad-libbing
• all of a sudden
• at liberty
• as anticipated
• abstractedly
• actually
• approximately
• at heart
• at the heart of
• autonomously
• agitatedly
• apprehensively
• aboveboard
• all at once