suitable or appropriate for a particular purpose, person, or situation.
The award was a fitting tribute to her lifelong work.
He wore a fitting black suit to the funeral.
✦ Mid 16th century (as an adjective): from the verb 'fit' + '-ing'. The noun sense dates from the mid 19th century.
an occasion when a person tries on a garment that is being made for them to check the size and fit.
I have a fitting for my new suit this afternoon.
The bride attended her final dress fitting.
✦ Mid 19th century: extension of the adjective sense.
a small pipe, tube, or other device attached to something larger to make it function properly, such as for plumbing or machinery.
Replace the worn pipe fitting to stop the leak.
The machine requires special fittings for installation.
✦ Late 19th century: from the verb sense of 'fit' + '-ing', referring to parts made to fit.
to be the correct size or shape for someone or something, or to make something that size or shape
These shoes don't fit me anymore.
The puzzle piece fits perfectly here.
to put or attach something in the correct position so it works or stays there
The plumber will fit a new sink tomorrow.
They fitted the car with winter tires before the snow came.
To supply someone or something with the clothes, equipment, or tools needed for a particular purpose.
The sponsor outfitted the team with new uniforms.
They outfitted the cabin with solar panels before winter arrived.