Synonyms for Suck (same or very similar meaning)
WordNet sense 1 (attract by using an inexorable force, inducement, etc.):
suck inWordNet sense 2 (take in, also metaphorically):
absorb, draw, imbibe, take up, take in, sop up, suck up, soak upWordNet sense 3 (give suck to):
lactate, nurse, suckle, bottle-feed, breastfeed, wet-nurse, give suckWordNet sense 4 (the act of sucking):
suction, suckingFrom the ODE community, based on WordNetadd/edit