Related Clues:

• Held
• Fulfilled, as a promise
• Retained possession
• Continued (with "on")
• Didn't surrender
• Held back
• Was of the opinion
• Kept, as a job
• Restrained
• Followed a broker's advice, perhaps
• Hung on to
• Didn't donate
• Maintained, as a diary
• Had in hand
• Grabbed onto