Legally qualified or competent.
Gifted with skill, intelligence, knowledge, or competence.
Having the necessary powers or the needed resources to accomplish a task.
Free from constraints preventing completion of task; permitted to; not prevented from.
Capable of performing all the requisite duties; as an able seaman.
The letter "A" in Navy Phonetic Alphabet.
Sociable or friendly.
A dockyard worker.
A fellow sailor; often used affectedly, especially when portraying a pirate.