Taxonomy of meanings for 以為:  

  • BELIEVE
    • VPt+V[0]passivebe taken to V; be considered (subjectively and often unjustifiably) as V
    • VPtoNpassivebe taken to be an N; be considered as an N
    • VPtoSgraded甚以為不然"very much believe that this is so": take it to be the case that S(often in polite speech:) to think that, to believe that, be convinced that, feel that
    • VPtoSwronglytake it wrongly to be the case that; wrongly suppose, wrongly imagine
    • VPtt(oN.)+V[0]consider the contextually determinate object as V; consider that the contextually determinate object Vs 
    • VPttoN.+V[0]reflexive自:take oneself to be V-ing; consider oneself to be V-ing
    • VPttpostNpro.+N{PRED}psychtake oneself to be an N; consider (oneself) an N
    • vtt(oN1.)+N2:postNpropsychconsider something contextually determinate N1 as one's own N2
    • VPtt(oN1.)+N2{PRED}understood pivotconsider the contextually determinate N1 to be an N2CH
    • VPtt(oN.)+V[0]passivebelieve the contextually determinate N to VCH
    • VPtt(oN.)+V[0]V[0]=passivedeem N to be V-edCH
    • VPttoN1.+N2consider the (often topicalise and preposed) N1 to be N2CH
    • VPtt(oN.)+NPab{PRED}consider N to be a case of NPabCH
    • VPtt[0](oN).+Vpeople consider N to V; one tended to consider the contextually determinate N as VCH
  • APPOINT
    • VPtt(oN1.) N2appoint the contextually determinate N1 as N2CH
    • VPtt(oN1.) N2continuativehave the contextually determinate person appointed as N2; retain the contextually determinate person in the function N2DS
  • TREAT
    • VPtt(oN1).+N2object=insertedtreat N1 as N2
  • CHANGE
    • VPtt(oN1.)+N2make the contextually determinate N1 into N2
  • ADMIRE
    • VPtoNesteem highly????
  • CAUSE TO
    • VPtt(oN1).+N2make the contextually determinate N1 into an N2CH
  • yǐ wèiFOR
    • VPt V[0]to serve the purpose of V-ing, in order to VLZ
    • VPtoNto serve the purpose of N, be because of NLZ
  • yǐ wéiPRODUCE
    • VPtt(oN1.) N2produce an N2 with N1, make an N2 out of an N1CH