1. Be sufficiently competent in a certain situation 
2. Maintain one's position and be in control of a situation

Derived forms: held one's own, holding one's own, holds one's own

Type of: command, control

• acyl
• acyl anhydrides
• acyl group
• acyl halide
• acylation
• acylglycerol
• ad
• ad agency
• ad blitz
• ad campaign
• ad hoc
• ad hominem
• ad infinitum
• ad interim
• ad libitum
• ad nauseam
• ad rem
• ad val
• ad valorem
• ad valorem tax
• ad-lib
• ad-libber
• ADA
• ADA-SCID
• adactylia