Related Clues:

• One who grins and bears it
• Like Zeno
• O.E.D. offering
• Phone button trio
• Telephone trio
• Stiff-upper-lip type
• X-ray spec
• Cool, modern-style
• Zeno was one
• First-rate, slangily
• Long-suffering
• Stone-faced
• Excellent, to a hip-hopper
• Great, in rap lingo
• Awesome