VERBS

be, seem
She seems very capable

ADV

extremely, highly, quite, very
He has proved himself an extremely capable manager

VERBS

appear, be, feel, look, prove, seem
become
believe sb, consider sb
She could hardly believe him capable of such kindness

ADV

fully, more than, perfectly, quite, well
She is more than capable of looking after herself
barely, hardly, scarcely
He was barely capable of writing his own name
reasonably
clearly, obviously
potentially, theoretically
physically
He was not physically capable of climbing out of the window