1. (noun) any new participant in some activity

• entrant
• fledgling
• freshman
• neophyte
• newbie
• newcomer
• starter

2. (noun) young bird that has just fledged or become capable of flying

• fledgling

3. (adjective) (of a young bird) having acquired its flight feathers

• fledgling

1. (noun) any new participant in some activity

• beginner
• initiate
• novice
• tiro
• tyro

2. (noun) young bird that has just fledged or become capable of flying

• young bird

1. (noun) any new participant in some activity

• enlistee
• recruit

1. (adjective) (of a young bird) having acquired its flight feathers

• fledged
• mature

1. (noun) any new participant in some activity

• begin
• commence
• get
• get down
• set about
• set out
• start
• start out
• callow
• fledgling
• unfledged
• initiate
• originate
• start

2. (noun) young bird that has just fledged or become capable of flying

• fledgling
• fledgling

3. (adjective) (of a young bird) having acquired its flight feathers

• fledgling
• fledgling