up on Synonyms

abreast au courant au fait briefed plugged in nonactive in the know in on enlightened wise to knowledgeable savvy informed about up to speed on up to date with sewed-up knowledgeable about proficient in at home with sent by post versed in abreast of au fait with au courant with wise versed familiar expert conversant conscious cognizant aware awake atop apprehensive grounded home informed versant skilled shrewd sensible posted perceptive mindful knowing into acquainted