Across 
1 - PEONISM (IN POEMS anag.)
6 - ACT ([p]ACT)
9 - INFER (FINER, postponing F)
10 - HABIT+AT
11 - SACS (SACKS homo.)
12 - TEN (NET rev.)
14 - DOMINIC (DO+MI+NIC[k])
16 - OR+B
19 - EAVE (EVE homo.)
20 - OCTET (initials of Our Cards Take Every Trick)
22 - AS A
23 - C[IL]IA
24 - TERAVOLT (TO TRAVEL anag.)
25 - ENDS (END'S)
26 - E[PE]E

Down
1 - PASSIONATE (NOISES TAP A anag.)
2 - NIBS (IN rev. + BS)
3 - I + N[I + TI]ATIVE
4 - MEAN+IE
5 - ARTICULATE (TRIAL A CUTE anag.)
7 - CHAD (double def., ha ha)
8 - TA+CO
13 - E[NVELO]P (NOVEL anag.)
15 - M[EC]CAS (couple of ECologists, SCAM anag.)
17 - RI+SEN
18 - BOARD (double def.)
21 - TI[L]E