Synonyms For "Conventional" :

1 syllable:

square, straight

2 syllables:

formal, received, stodgy, stuffy

3 syllables:

established, orthodox, schematic

4 syllables:

conservative, customary, formulaic, stereotyped, traditional

5 syllables:

ceremonious, stereotypic, unoriginal

6 syllables:

stereotypical, unimaginative

7 syllables:

nonrepresentational