refuse, n. [offal], [dregs], offscum, [garbage], fag-ends, recrement, riffraff, lees, [dross], draff, [offscouring], [rubbish], [waste], culls.

refutable, a. confutable. Antonym: irrefutable.

refutation, n. [confutation], [disproof].

refute, v. confute, [disprove].

regain, v. [recover], retrieve.

regal, a. [kingly], [royal].

regale, v. [feast], [entertain], [gratify].

regalia, n. pl. insignia.

regard, v. [heed], observe, [consider].

regard, n. [respect], [esteem], [estimation], [opinion]; [respect], reference, [relation]; [heed], [attention], observation, [notice]. Antonyms: [disregard], heedlessness. See disregard.