ROGET THESAURUS
Metonymy
Substitution
N
substitution, commutation, supplanting, metaphor, metonymy, substitute, ersatz, makeshift, temporary expedient, replacement, succedaneum, shift, pis aller, stopgap, jury rigging, jury mast, locum tenens, warming pan, dummy, scapegoat, double, changeling, quid pro quo, alternative, representative, palimpsest, price, purchase money, consideration, equivalent, substituted, ersatz, phony, vicarious, subdititious, instead, in place of, in lieu of, in the stead of, in the room of, faute de mieux.
Supposition
N
supposition, assumption, assumed position, postulation, condition, presupposition, hypothesis, blue sky hypothesis, postulate, postulatum, theory, thesis, theorem, data, proposition, position, proposal, presumption, divination, conjecture, guess, guesswork, speculation, rough guess, shot, shot in the dark, conjecturality, surmise, suspicion, sneaking suspicion, estimate, approximation (nearness), inkling, suggestion, hint, intimation, notion, impression, bare supposition, vague supposition, loose supposition, loose suggestion, association of ideas, (analogy), metonym, metonymy, simile (metaphor), conceit, idea, thought, original idea, invention (imagination), supposing, given, mooted, postulatory, assumed, supposititious, suppositive, suppositious, gratuitous, speculative, conjectural, hypothetical, theoretical, academic, supposable, presumptive, putative, suppositional, suggestive, allusive, if, if so be, an, on the supposition, ex hypothesi, in the case, in the event of, quasi, as if, provided, perhaps, for aught one knows.
Metaphor
N
metaphor, figure of speech, facon de parler, way of speaking, colloquialism, phrase, figure, trope, metaphor, enallage, catachresis, metonymy, synecdoche, autonomasia, irony, figurativeness, image, imagery, metalepsis, type, anagoge, simile, personification, prosopopoeia, allegory, apologue, parable, fable, allusion, adumbration, application, exaggeration, hyperbole, association, association of ideas (analogy), metaphorical, figurative, catachrestical, typical, tralatitious, parabolic, allegorical, allusive, anagogical, ironical, colloquial, tropical, so to speak, so to say, so to express oneself, as it were, mutato nomine de te fabula narratur.