WordNet sense 1 (suck or take up or in):

absorb

WordNet sense 2 (earn on some commercial or business transaction; earn as salary or wages):

clear, earn, gain, make, realize, realise, bring in, pull in

WordNet sense 3 (call for and obtain payment of):

collect, collect

WordNet sense 4 (hear, usually without the knowledge of the speakers):

catch, overhear

WordNet sense 5 (see or watch):

see, view, watch

WordNet sense 6 (accept):

take up

WordNet sense 7 (take in, also metaphorically):

draw, imbibe, suck, sop up, suck up, soak up

WordNet sense 8 (express willingness to have in one's home or environs):

invite, receive, invite

WordNet sense 9 (fold up):

gather in

WordNet sense 10 (serve oneself to, or consume regularly):

consume, have, ingest, take, have

WordNet sense 11 (take up as if with a sponge):

suck in

WordNet sense 12 (fool or hoax):

cod, dupe, fool, gull, slang, befool, put on, put one across, put one over

WordNet sense 13 (take up mentally):

assimilate

WordNet sense 14 (take into one's family):

adopt