on a par with someone Definition

par
noun

1. A normal level or standard.

Thesaurus: standard, average, norm, level, median, equivalence.
2. golf.
The standard number of strokes that a good golfer would take for a certain course or hole.
3. commerce.
The established value of the unit of one national currency against that of another.
Form: par of exchange (also)

Idiom: above par

At a premium; at more than the nominal value.

Idiom: below par (not up to par)

Not up to the usual or required standard.
Thesaurus: inferior, below average, substandard, wanting, second-rate; Antonym: up to snuff.

Slightly unwell.

Idiom: on a par with something or someone

Equal to them; the equivalent of them.

Idiom: par for the course

colloq
Only to be expected; predictable; typical.

Etymology: 17c: Latin, meaning ‘equal'.