WordNet sense 1 (any material that fills a space or container):

filling

WordNet sense 2 (assume, as of positions or roles):

take

WordNet sense 3 (occupy the whole of):

occupy

WordNet sense 4 (eat until one is sated):

fill up

WordNet sense 5 (fill to satisfaction):

replete, sate, satiate

WordNet sense 6 (fill or meet a want or need):

fulfil, fulfill, meet, satisfy

WordNet sense 7 (make full, also in a metaphorical sense):

make full