fitting; at the right time; to the purpose; opportunely.

Obsolete . by the way.

opportune; pertinent

apropos remarks.

apropos of

with reference to; in respect or regard to

apropos of the preceding statement.

adjective

inappropriate , irrelevant , unsuitable

adverb

inappropriately , irrelevantly , unsuitably

adjective

applicable , apposite , appropriate , apt , befitting , belonging , correct , fit , fitting , germane , kosher * , legit , material , on the button , on the nose * , opportune , pertinent , proper , related , right , right on , seemly

adverb

appropriately , aptly , opportunely , pertinently , suitably , timely

preposition

about , against , as for , as regards , as to , concerning , on the subject of , regarding , respecting , touching , toward , with reference to , with respect to , appropriate , apt , correct , fit , fitting , meet , proper , relevant , seemly , suitable , timely