underlie - definition and synonyms

verb [transitive] 

Your browser doesn’t support HTML5 audio

/ˌʌndə(r)ˈlaɪ/
present tense
I/you/we/theyunderlie
he/she/itunderlies
present participleunderlying
past tenseunderlay
past participleunderlain
  1. to be the real or basic cause of or reason for something