ably

Multiple Entries:
  -able    able  

Concise Oxford English Dictionary © 2008 Oxford University Press:
-able

▶suffix forming adjectives meaning.

• 1 able to be: calculable.

• 2 subject to; relevant to: taxable.

• 3 having the quality to: suitable.

– derivatives
-ably suffix.

– origin from Fr. -able or L. -abilis.

Concise Oxford English Dictionary © 2008 Oxford University Press:
able/ˈeɪbl/

▶adjective (abler, ablest)

• 1 having the power, skill, or means to do something.

• 2 having considerable proficiency or intelligence.

– derivatives
ably adverb.

– origin ME: from OFr. hable, from L. habilis ‘handy’, from habere ‘to hold’.